20013232200 has 96 divisors (see below), whose sum is σ = 66813432000. Its totient is φ = 4926332160.

The previous prime is 20013232193. The next prime is 20013232231. The reversal of 20013232200 is 223231002.

It is a super-2 number, since 2×20013232200² (a number of 21 digits) contains 22 as substring.

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 20013232200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1275100 + ... + 1290699.

It is an arithmetic number, because the mean of its divisors is an integer number (695973250).

Almost surely, 2^20013232200 is an apocalyptic number.

20013232200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013232200 is an abundant number, since it is smaller than the sum of its proper divisors (46800199800).

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

20013232200 is a wasteful number, since it uses less digits than its factorization.

20013232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565831 (or 2565822 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20013232200 its reverse (223231002), we get a palindrome (20236463202).

The spelling of 20013232200 in words is "twenty billion, thirteen million, two hundred thirty-two thousand, two hundred".