20426004600 has 96 divisors (see below), whose sum is σ = 63352314240. Its totient is φ = 5444208000.

The previous prime is 20426004551. The next prime is 20426004601. The reversal of 20426004600 is 640062402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20426004601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379235 + ... + 1393965.

It is an arithmetic number, because the mean of its divisors is an integer number (659919940).

Almost surely, 2^20426004600 is an apocalyptic number.

20426004600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20426004600 is an abundant number, since it is smaller than the sum of its proper divisors (42926309640).

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

20426004600 is a wasteful number, since it uses less digits than its factorization.

20426004600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17061 (or 17052 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 20426004600 in words is "twenty billion, four hundred twenty-six million, four thousand, six hundred".