20040464200 has 48 divisors (see below), whose sum is σ = 47357945460. Its totient is φ = 7884768000.

The previous prime is 20040464177. The next prime is 20040464207. The reversal of 20040464200 is 246404002.

It can be written as a sum of positive squares in 6 ways, for example, as 5885651524 + 14154812676 = 76718^2 + 118974^2 .

It is not an unprimeable number, because it can be changed into a prime (20040464207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809131 + ... + 833530.

Almost surely, 2^20040464200 is an apocalyptic number.

20040464200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20040464200 is an abundant number, since it is smaller than the sum of its proper divisors (27317481260).

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

20040464200 is a wasteful number, since it uses less digits than its factorization.

20040464200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642738 (or 1642729 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20040464200 its reverse (246404002), we get a palindrome (20286868202).

The spelling of 20040464200 in words is "twenty billion, forty million, four hundred sixty-four thousand, two hundred".