20260090400 has 72 divisors (see below), whose sum is σ = 53956327824. Its totient is φ = 7367302400.

The previous prime is 20260090397. The next prime is 20260090429. The reversal of 20260090400 is 409006202.

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, 1142342 + ... + 1159941.

It is an arithmetic number, because the mean of its divisors is an integer number (749393442).

Almost surely, 2^20260090400 is an apocalyptic number.

20260090400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20260090400 is an abundant number, since it is smaller than the sum of its proper divisors (33696237424).

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

20260090400 is a wasteful number, since it uses less digits than its factorization.

20260090400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302314 (or 2302301 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20260090400 its reverse (409006202), we get a palindrome (20669096602).

The spelling of 20260090400 in words is "twenty billion, two hundred sixty million, ninety thousand, four hundred".