20801400496 has 40 divisors (see below), whose sum is σ = 40556332800. Its totient is φ = 10335367680.

The previous prime is 20801400479. The next prime is 20801400497. The reversal of 20801400496 is 69400410802.

It is not an unprimeable number, because it can be changed into a prime (20801400497) by changing a digit.

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, 3447210 + ... + 3453238.

It is an arithmetic number, because the mean of its divisors is an integer number (1013908320).

Almost surely, 2^20801400496 is an apocalyptic number.

It is an amenable number.

20801400496 is a deficient number, since it is larger than the sum of its proper divisors (19754932304).

20801400496 is a wasteful number, since it uses less digits than its factorization.

20801400496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357 (or 7351 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 20801400496 in words is "twenty billion, eight hundred one million, four hundred thousand, four hundred ninety-six".