20344052100 has 72 divisors (see below), whose sum is σ = 59161088448. Its totient is φ = 5397526400.

The previous prime is 20344052089. The next prime is 20344052129. The reversal of 20344052100 is 125044302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113016 + ... + 231215.

It is an arithmetic number, because the mean of its divisors is an integer number (821681784).

Almost surely, 2^20344052100 is an apocalyptic number.

20344052100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20344052100 is an abundant number, since it is smaller than the sum of its proper divisors (38817036348).

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

20344052100 is a wasteful number, since it uses less digits than its factorization.

20344052100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344445 (or 344438 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20344052100 its reverse (125044302), we get a palindrome (20469096402).

The spelling of 20344052100 in words is "twenty billion, three hundred forty-four million, fifty-two thousand, one hundred".