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20022222020202 = 2331922698600633
BaseRepresentation
bin1001000110101110010010…
…11011100101111001101010
32121220002212002010002121000
410203113021123211321222
510111021002314121302
6110330025401055430
74134362220046533
oct443271133457152
977802762102530
1020022222020202
11641a416396796
1222b4535787576
13b2311a12cb0c
144d311b6b368a
1524ac55c1d31c
hex1235c96e5e6a

20022222020202 has 64 divisors (see below), whose sum is σ = 46856254032000. Its totient is φ = 6320019613824.

The previous prime is 20022222020153. The next prime is 20022222020231. The reversal of 20022222020202 is 20202022222002.

20022222020202 is a `hidden beast` number, since 2 + 0 + 0 + 222 + 220 + 20 + 202 = 666.

It is a super-2 number, since 2×200222220202022 (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1972323 + ... + 6628310.

It is an arithmetic number, because the mean of its divisors is an integer number (732128969250).

Almost surely, 220022222020202 is an apocalyptic number.

20022222020202 is an abundant number, since it is smaller than the sum of its proper divisors (26834032011798).

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

20022222020202 is a wasteful number, since it uses less digits than its factorization.

20022222020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602932 (or 8602926 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20022222020202 its reverse (20202022222002), we get a palindrome (40224244242204).

The spelling of 20022222020202 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 2269 4538 6807 13614 20421 40842 43111 61263 86222 122526 129333 258666 387999 775998 1163997 2327994 8600633 17201266 25801899 51603798 77405697 154811394 163412027 232217091 326824054 464434182 490236081 980472162 1470708243 2941416486 4412124729 8824249458 19514836277 39029672554 58544508831 117089017662 175633526493 351267052986 370781889263 526900579479 741563778526 1053801158958 1112345667789 2224691335578 3337037003367 6674074006734 10011111010101 20022222020202