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20212210020222 = 23211294632775983
BaseRepresentation
bin1001001100010000001011…
…00110010010111101111110
32122120021020200001111002100
410212020011212102331332
510122124101231121342
6110553205555205530
74154166256312323
oct446100546227576
978507220044070
1020212210020222
116492a4a697140
1223253182a68a6
13b3800711c83c
144dc3c1bcab4a
15250b75213e4c
hex126205992f7e

20212210020222 has 96 divisors (see below), whose sum is σ = 49423421998080. Its totient is φ = 5913502781760.

The previous prime is 20212210020143. The next prime is 20212210020269. The reversal of 20212210020222 is 22202001221202.

20212210020222 is a `hidden beast` number, since 2 + 0 + 212 + 210 + 0 + 20 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20212210020195 and 20212210020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265971643 + ... + 266047625.

It is an arithmetic number, because the mean of its divisors is an integer number (514827312480).

Almost surely, 220212210020222 is an apocalyptic number.

20212210020222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212210020222 is an abundant number, since it is smaller than the sum of its proper divisors (29211211977858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212210020222 is a wasteful number, since it uses less digits than its factorization.

20212210020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122358 (or 122355 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20212210020222 its reverse (22202001221202), we get a palindrome (42414211241424).

The spelling of 20212210020222 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 29 33 58 66 87 99 174 198 261 319 522 638 957 1914 2871 5742 46327 75983 92654 138981 151966 227949 277962 416943 455898 509597 683847 833886 835813 1019194 1343483 1367694 1528791 1671626 2203507 2507439 2686966 3057582 4030449 4407014 4586373 5014878 6610521 7522317 8060898 9172746 12091347 13221042 14778313 15044634 19831563 24182694 24238577 29556626 39663126 44334939 48477154 72715731 88669878 133004817 145431462 218147193 266009634 436294386 3520064441 7040128882 10560193323 21120386646 31680579969 38720708851 63361159938 77441417702 102081868789 116162126553 204163737578 232324253106 306245606367 348486379659 612491212734 696972759318 918736819101 1122900556679 1837473638202 2245801113358 3368701670037 6737403340074 10106105010111 20212210020222