20296539400 has 24 divisors (see below), whose sum is σ = 47189454570. Its totient is φ = 8118615680.

The previous prime is 20296539337. The next prime is 20296539421. The reversal of 20296539400 is 493569202.

It can be written as a sum of positive squares in 3 ways, for example, as 7599306276 + 12697233124 = 87174^2 + 112682^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50741149 + ... + 50741548.

Almost surely, 2^20296539400 is an apocalyptic number.

20296539400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20296539400 is an abundant number, since it is smaller than the sum of its proper divisors (26892915170).

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

20296539400 is a wasteful number, since it uses less digits than its factorization.

20296539400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101482713 (or 101482704 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 20296539400 in words is "twenty billion, two hundred ninety-six million, five hundred thirty-nine thousand, four hundred".