20613675024 has 60 divisors (see below), whose sum is σ = 59248855276. Its totient is φ = 6685514496.

The previous prime is 20613675011. The next prime is 20613675059. The reversal of 20613675024 is 42057631602.

It can be written as a sum of positive squares in 2 ways, for example, as 18322329600 + 2291345424 = 135360^2 + 47868^2 .

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 20613675024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1929139 + ... + 1939794.

Almost surely, 2^20613675024 is an apocalyptic number.

20613675024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20613675024 is an abundant number, since it is smaller than the sum of its proper divisors (38635180252).

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

20613675024 is a wasteful number, since it uses less digits than its factorization.

20613675024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868984 (or 3868975 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 20613675024 in words is "twenty billion, six hundred thirteen million, six hundred seventy-five thousand, twenty-four".