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20122001210022 = 2378292066320731
BaseRepresentation
bin1001001001101000001001…
…01110111111101010100110
32122020122101212021010012220
410210310010232333222212
510114134324302210042
6110443530355253210
74144523643135555
oct444640456775246
978218355233186
1020122001210022
116458769115938
12230b9415aa206
13b2c65bc7a13a
144d7ca5295d9c
1524d64588c8ec
hex124d04bbfaa6

20122001210022 has 32 divisors (see below), whose sum is σ = 40253032270080. Its totient is φ = 6705828958560.

The previous prime is 20122001209969. The next prime is 20122001210029. The reversal of 20122001210022 is 22001210022102.

It is a super-2 number, since 2×201220012100222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122001209983 and 20122001210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122001210029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970613397 + ... + 970634127.

It is an arithmetic number, because the mean of its divisors is an integer number (1257907258440).

Almost surely, 220122001210022 is an apocalyptic number.

20122001210022 is an abundant number, since it is smaller than the sum of its proper divisors (20131031060058).

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

20122001210022 is a wasteful number, since it uses less digits than its factorization.

20122001210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49228.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20122001210022 its reverse (22001210022102), we get a palindrome (42123211232124).

The spelling of 20122001210022 in words is "twenty trillion, one hundred twenty-two billion, one million, two hundred ten thousand, twenty-two".

Divisors: 1 2 3 6 7829 15658 20663 20731 23487 41326 41462 46974 61989 62193 123978 124386 161770627 162302999 323541254 324605998 428364653 485311881 486908997 856729306 970623762 973817994 1285093959 2570187918 3353666868337 6707333736674 10061000605011 20122001210022