20023100120 has 64 divisors (see below), whose sum is σ = 45543405600. Its totient is φ = 7922304000.

The previous prime is 20023100081. The next prime is 20023100131. The reversal of 20023100120 is 2100132002.

It is a happy number.

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, 1533620 + ... + 1546620.

Almost surely, 2^20023100120 is an apocalyptic number.

20023100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023100120 is an abundant number, since it is smaller than the sum of its proper divisors (25520305480).

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

20023100120 is a wasteful number, since it uses less digits than its factorization.

20023100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428 (or 13424 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20023100120 its reverse (2100132002), we get a palindrome (22123232122).

The spelling of 20023100120 in words is "twenty billion, twenty-three million, one hundred thousand, one hundred twenty".