68174430020 has 24 divisors (see below), whose sum is σ = 144433266264. Its totient is φ = 27028445696.

The previous prime is 68174429971. The next prime is 68174430029. The reversal of 68174430020 is 2003447186.

It can be written as a sum of positive squares in 4 ways, for example, as 3626930176 + 64547499844 = 60224^2 + 254062^2 .

It is not an unprimeable number, because it can be changed into a prime (68174430029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15080579 + ... + 15085098.

It is an arithmetic number, because the mean of its divisors is an integer number (6018052761).

Almost surely, 2^68174430020 is an apocalyptic number.

It is an amenable number.

68174430020 is an abundant number, since it is smaller than the sum of its proper divisors (76258836244).

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

68174430020 is a wasteful number, since it uses less digits than its factorization.

68174430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30165799 (or 30165797 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 68174430020 in words is "sixty-eight billion, one hundred seventy-four million, four hundred thirty thousand, twenty".