20426246200 has 24 divisors (see below), whose sum is σ = 47491022880. Its totient is φ = 8170498400.

The previous prime is 20426246173. The next prime is 20426246221. The reversal of 20426246200 is 264262402.

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 5 ways as a sum of consecutive naturals, for example, 51065416 + ... + 51065815.

It is an arithmetic number, because the mean of its divisors is an integer number (1978792620).

Almost surely, 2^20426246200 is an apocalyptic number.

20426246200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20426246200 is an abundant number, since it is smaller than the sum of its proper divisors (27064776680).

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

20426246200 is a wasteful number, since it uses less digits than its factorization.

20426246200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102131247 (or 102131238 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 20426246200 in words is "twenty billion, four hundred twenty-six million, two hundred forty-six thousand, two hundred".