20620203296 has 48 divisors (see below), whose sum is σ = 50613232320. Its totient is φ = 8033844480.

The previous prime is 20620203287. The next prime is 20620203301. The reversal of 20620203296 is 69230202602.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181831 + ... + 4186758.

It is an arithmetic number, because the mean of its divisors is an integer number (1054442340).

Almost surely, 2^20620203296 is an apocalyptic number.

It is an amenable number.

20620203296 is an abundant number, since it is smaller than the sum of its proper divisors (29993029024).

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

20620203296 is a wasteful number, since it uses less digits than its factorization.

20620203296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368617 (or 8368609 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 20620203296 its reverse (69230202602), we get a palindrome (89850405898).

The spelling of 20620203296 in words is "twenty billion, six hundred twenty million, two hundred three thousand, two hundred ninety-six".