20331022100022 has 48 divisors (see below), whose sum is σ = 46445388687360. Its totient is φ = 6409745564976.

The previous prime is 20331022100009. The next prime is 20331022100027. The reversal of 20331022100022 is 22000122013302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20331022099968 and 20331022100004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331022100027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48760638 + ... + 49175825.

It is an arithmetic number, because the mean of its divisors is an integer number (967612264320).

Almost surely, 2^{20331022100022} is an apocalyptic number.

20331022100022 is an abundant number, since it is smaller than the sum of its proper divisors (26114366587338).

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

20331022100022 is a wasteful number, since it uses less digits than its factorization.

20331022100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97937097 (or 97937094 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20331022100022 its reverse (22000122013302), we get a palindrome (42331144113324).

The spelling of 20331022100022 in words is "twenty trillion, three hundred thirty-one billion, twenty-two million, one hundred thousand, twenty-two".