20653241587824 has 40 divisors (see below), whose sum is σ = 53355765984640. Its totient is φ = 6884212759488.

The previous prime is 20653241587753. The next prime is 20653241587871. The reversal of 20653241587824 is 42878514235602.

20653241587824 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4619614 + ... + 7915005.

It is an arithmetic number, because the mean of its divisors is an integer number (1333894149616).

Almost surely, 2^{20653241587824} is an apocalyptic number.

20653241587824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20653241587824 is an abundant number, since it is smaller than the sum of its proper divisors (32702524396816).

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

20653241587824 is a wasteful number, since it uses less digits than its factorization.

20653241587824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12568957 (or 12568951 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 20653241587824 in words is "twenty trillion, six hundred fifty-three billion, two hundred forty-one million, five hundred eighty-seven thousand, eight hundred twenty-four".