20308485024 has 96 divisors (see below), whose sum is σ = 60204271680. Its totient is φ = 6658502400.

The previous prime is 20308485017. The next prime is 20308485031. The reversal of 20308485024 is 42058480302.

It is an interprime number because it is at equal distance from previous prime (20308485017) and next prime (20308485031).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20308485024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139962 + ... + 245369.

It is an arithmetic number, because the mean of its divisors is an integer number (627127830).

Almost surely, 2^20308485024 is an apocalyptic number.

20308485024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20308485024 is an abundant number, since it is smaller than the sum of its proper divisors (39895786656).

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

20308485024 is a wasteful number, since it uses less digits than its factorization.

20308485024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385411 (or 385397 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 20308485024 in words is "twenty billion, three hundred eight million, four hundred eighty-five thousand, twenty-four".