20221020332224 has 56 divisors (see below), whose sum is σ = 40693048619328. Its totient is φ = 9968549418240.

The previous prime is 20221020332213. The next prime is 20221020332251. The reversal of 20221020332224 is 42223302012202.

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, 5552314 + ... + 8442169.

It is an arithmetic number, because the mean of its divisors is an integer number (726661582488).

Almost surely, 2^{20221020332224} is an apocalyptic number.

It is an amenable number.

20221020332224 is an abundant number, since it is smaller than the sum of its proper divisors (20472028287104).

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

20221020332224 is a wasteful number, since it uses less digits than its factorization.

20221020332224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13994813 (or 13994803 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20221020332224 its reverse (42223302012202), we get a palindrome (62444322344426).

The spelling of 20221020332224 in words is "twenty trillion, two hundred twenty-one billion, twenty million, three hundred thirty-two thousand, two hundred twenty-four".