20211200504 has 32 divisors (see below), whose sum is σ = 43138535040. Its totient is φ = 8787477600.

The previous prime is 20211200483. The next prime is 20211200519. The reversal of 20211200504 is 40500211202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990862 + ... + 4994909.

It is an arithmetic number, because the mean of its divisors is an integer number (1348079220).

Almost surely, 2^20211200504 is an apocalyptic number.

It is an amenable number.

20211200504 is an abundant number, since it is smaller than the sum of its proper divisors (22927334536).

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

20211200504 is a wasteful number, since it uses less digits than its factorization.

20211200504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9985811 (or 9985807 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20211200504 its reverse (40500211202), we get a palindrome (60711411706).

The spelling of 20211200504 in words is "twenty billion, two hundred eleven million, two hundred thousand, five hundred four".