68951332020 has 48 divisors (see below), whose sum is σ = 195389812800. Its totient is φ = 18165490176.

The previous prime is 68951332013. The next prime is 68951332033. The reversal of 68951332020 is 2023315986.

It is a self number, because there is not a number n which added to its sum of digits gives 68951332020.

It is a congruent number.

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, 6917845 + ... + 6927804.

It is an arithmetic number, because the mean of its divisors is an integer number (4070621100).

Almost surely, 2^68951332020 is an apocalyptic number.

68951332020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68951332020 is an abundant number, since it is smaller than the sum of its proper divisors (126438480780).

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

68951332020 is a wasteful number, since it uses less digits than its factorization.

68951332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845744 (or 13845742 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 68951332020 in words is "sixty-eight billion, nine hundred fifty-one million, three hundred thirty-two thousand, twenty".