20201102021022 has 64 divisors (see below), whose sum is σ = 44226684936000. Its totient is φ = 6113364940800.

The previous prime is 20201102020991. The next prime is 20201102021069. The reversal of 20201102021022 is 22012020110202.

It is a junction number, because it is equal to n+sod(n) for n = 20201102020992 and 20201102021010.

It is a congruent number.

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, 65702104 + ... + 66008852.

It is an arithmetic number, because the mean of its divisors is an integer number (691041952125).

Almost surely, 2^{20201102021022} is an apocalyptic number.

20201102021022 is an abundant number, since it is smaller than the sum of its proper divisors (24025582914978).

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

20201102021022 is a wasteful number, since it uses less digits than its factorization.

20201102021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320669.

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

Adding to 20201102021022 its reverse (22012020110202), we get a palindrome (42213122131224).

The spelling of 20201102021022 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty-one thousand, twenty-two".