20222031120 has 80 divisors (see below), whose sum is σ = 63623993280. Its totient is φ = 5312051712.

The previous prime is 20222031119. The next prime is 20222031143. The reversal of 20222031120 is 2113022202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 20222031120.

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, 612715 + ... + 644874.

It is an arithmetic number, because the mean of its divisors is an integer number (795299916).

Almost surely, 2^20222031120 is an apocalyptic number.

20222031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222031120 is an abundant number, since it is smaller than the sum of its proper divisors (43401962160).

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

20222031120 is a wasteful number, since it uses less digits than its factorization.

20222031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257672 (or 1257666 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20222031120 its reverse (2113022202), we get a palindrome (22335053322).

The spelling of 20222031120 in words is "twenty billion, two hundred twenty-two million, thirty-one thousand, one hundred twenty".