20002021121022 has 32 divisors (see below), whose sum is σ = 42111354280320. Its totient is φ = 6316152302880.

The previous prime is 20002021121009. The next prime is 20002021121057. The reversal of 20002021121022 is 22012112020002.

It is a junction number, because it is equal to n+sod(n) for n = 20002021120992 and 20002021121010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191429 + ... + 6436112.

It is an arithmetic number, because the mean of its divisors is an integer number (1315979821260).

Almost surely, 2^{20002021121022} is an apocalyptic number.

20002021121022 is an abundant number, since it is smaller than the sum of its proper divisors (22109333159298).

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

20002021121022 is a wasteful number, since it uses less digits than its factorization.

20002021121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650568.

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

Adding to 20002021121022 its reverse (22012112020002), we get a palindrome (42014133141024).

The spelling of 20002021121022 in words is "twenty trillion, two billion, twenty-one million, one hundred twenty-one thousand, twenty-two".