20331021022 has 32 divisors (see below), whose sum is σ = 34610688000. Its totient is φ = 8879463648.

The previous prime is 20331020917. The next prime is 20331021077. The reversal of 20331021022 is 22012013302.

It is a junction number, because it is equal to n+sod(n) for n = 20331020987 and 20331021005.

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, 414979 + ... + 461377.

It is an arithmetic number, because the mean of its divisors is an integer number (1081584000).

Almost surely, 2^20331021022 is an apocalyptic number.

20331021022 is a deficient number, since it is larger than the sum of its proper divisors (14279666978).

20331021022 is a wasteful number, since it uses less digits than its factorization.

20331021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47320.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20331021022 its reverse (22012013302), we get a palindrome (42343034324).

The spelling of 20331021022 in words is "twenty billion, three hundred thirty-one million, twenty-one thousand, twenty-two".