20002232100 has 36 divisors (see below), whose sum is σ = 57873125744. Its totient is φ = 5333928480.

The previous prime is 20002232093. The next prime is 20002232111. The reversal of 20002232100 is 123220002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33336754 + ... + 33337353.

Almost surely, 2^20002232100 is an apocalyptic number.

20002232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002232100 is an abundant number, since it is smaller than the sum of its proper divisors (37870893644).

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

20002232100 is a wasteful number, since it uses less digits than its factorization.

20002232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66674124 (or 66674117 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20002232100 its reverse (123220002), we get a palindrome (20125452102).

The spelling of 20002232100 in words is "twenty billion, two million, two hundred thirty-two thousand, one hundred".