20102212021120 has 64 divisors (see below), whose sum is σ = 48239576684640. Its totient is φ = 8010311034880.

The previous prime is 20102212021117. The next prime is 20102212021181. The reversal of 20102212021120 is 2112021220102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×20102212021120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20102212021094 and 20102212021103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59545951 + ... + 59882590.

Almost surely, 2^{20102212021120} is an apocalyptic number.

20102212021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102212021120 is an abundant number, since it is smaller than the sum of its proper divisors (28137364663520).

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

20102212021120 is a wasteful number, since it uses less digits than its factorization.

20102212021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119428823 (or 119428811 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102212021120 its reverse (2112021220102), we get a palindrome (22214233241222).

The spelling of 20102212021120 in words is "twenty trillion, one hundred two billion, two hundred twelve million, twenty-one thousand, one hundred twenty".