20221020202110 has 128 divisors (see below), whose sum is σ = 61118847820800. Its totient is φ = 4167194121216.

The previous prime is 20221020202063. The next prime is 20221020202133. The reversal of 20221020202110 is 1120202012202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20221020202110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86010135 + ... + 86244914.

It is an arithmetic number, because the mean of its divisors is an integer number (477490998600).

Almost surely, 2^{20221020202110} is an apocalyptic number.

20221020202110 is an abundant number, since it is smaller than the sum of its proper divisors (40897827618690).

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

20221020202110 is a wasteful number, since it uses less digits than its factorization.

20221020202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172255122.

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

Adding to 20221020202110 its reverse (1120202012202), we get a palindrome (21341222214312).

The spelling of 20221020202110 in words is "twenty trillion, two hundred twenty-one billion, twenty million, two hundred two thousand, one hundred ten".