20680523124 has 12 divisors (see below), whose sum is σ = 48254553984. Its totient is φ = 6893507704.

The previous prime is 20680523111. The next prime is 20680523141. The reversal of 20680523124 is 42132508602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861688452 + ... + 861688475.

It is an arithmetic number, because the mean of its divisors is an integer number (4021212832).

Almost surely, 2^20680523124 is an apocalyptic number.

It is an amenable number.

20680523124 is an abundant number, since it is smaller than the sum of its proper divisors (27574030860).

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

20680523124 is a wasteful number, since it uses less digits than its factorization.

20680523124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723376934 (or 1723376932 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20680523124 in words is "twenty billion, six hundred eighty million, five hundred twenty-three thousand, one hundred twenty-four".