20031332200 has 72 divisors (see below), whose sum is σ = 51191703990. Its totient is φ = 7284112000.

The previous prime is 20031332183. The next prime is 20031332221. The reversal of 20031332200 is 223313002.

It can be written as a sum of positive squares in 3 ways, for example, as 12017859876 + 8013472324 = 109626^2 + 89518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 389671 + ... + 438070.

Almost surely, 2^20031332200 is an apocalyptic number.

20031332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20031332200 is an abundant number, since it is smaller than the sum of its proper divisors (31160371790).

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

20031332200 is a wasteful number, since it uses less digits than its factorization.

20031332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827779 (or 827759 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20031332200 its reverse (223313002), we get a palindrome (20254645202).

The spelling of 20031332200 in words is "twenty billion, thirty-one million, three hundred thirty-two thousand, two hundred".