20056211200 has 54 divisors (see below), whose sum is σ = 49642272344. Its totient is φ = 8022481920.

The previous prime is 20056211179. The next prime is 20056211207. The reversal of 20056211200 is 211265002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20056211207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1560492 + ... + 1573291.

Almost surely, 2^20056211200 is an apocalyptic number.

20056211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20056211200 is an abundant number, since it is smaller than the sum of its proper divisors (29586061144).

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

20056211200 is an equidigital number, since it uses as much as digits as its factorization.

20056211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133809 (or 3133790 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20056211200 its reverse (211265002), we get a palindrome (20267476202).

The spelling of 20056211200 in words is "twenty billion, fifty-six million, two hundred eleven thousand, two hundred".