20496408000 has 112 divisors (see below), whose sum is σ = 67679218464. Its totient is φ = 5465702400.

The previous prime is 20496407983. The next prime is 20496408011. The reversal of 20496408000 is 80469402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403009 + ... + 451008.

Almost surely, 2^20496408000 is an apocalyptic number.

20496408000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20496408000 is an abundant number, since it is smaller than the sum of its proper divisors (47182810464).

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

20496408000 is an equidigital number, since it uses as much as digits as its factorization.

20496408000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854047 (or 854027 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 20496408000 in words is "twenty billion, four hundred ninety-six million, four hundred eight thousand".