20120222201022 has 24 divisors (see below), whose sum is σ = 44207812162800. Its totient is φ = 6612279596160.

The previous prime is 20120222201011. The next prime is 20120222201059. The reversal of 20120222201022 is 22010222202102.

20120222201022 is a `hidden beast` number, since 201 + 20 + 222 + 201 + 0 + 22 = 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 = 20120222200986 and 20120222201004.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7871760147 + ... + 7871762702.

It is an arithmetic number, because the mean of its divisors is an integer number (1841992173450).

Almost surely, 2^{20120222201022} is an apocalyptic number.

20120222201022 is an abundant number, since it is smaller than the sum of its proper divisors (24087589961778).

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

20120222201022 is a wasteful number, since it uses less digits than its factorization.

20120222201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15743522928 (or 15743522925 counting only the distinct ones).

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

Adding to 20120222201022 its reverse (22010222202102), we get a palindrome (42130444403124).

The spelling of 20120222201022 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, two hundred one thousand, twenty-two".