20504132200 has 48 divisors (see below), whose sum is σ = 47696283180. Its totient is φ = 8197493760.

The previous prime is 20504132153. The next prime is 20504132213. The reversal of 20504132200 is 223140502.

It can be written as a sum of positive squares in 6 ways, for example, as 4687045444 + 15817086756 = 68462^2 + 125766^2 .

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, 385632 + ... + 435568.

Almost surely, 2^20504132200 is an apocalyptic number.

20504132200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20504132200 is an abundant number, since it is smaller than the sum of its proper divisors (27192150980).

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

20504132200 is a wasteful number, since it uses less digits than its factorization.

20504132200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52006 (or 51997 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20504132200 its reverse (223140502), we get a palindrome (20727272702).

It can be divided in two parts, 2050 and 4132200, that added together give a triangular number (4134250 = T₂₈₇₅).

The spelling of 20504132200 in words is "twenty billion, five hundred four million, one hundred thirty-two thousand, two hundred".