157328020 has 24 divisors (see below), whose sum is σ = 330661800. Its totient is φ = 62879232.

The previous prime is 157328011. The next prime is 157328053. The reversal of 157328020 is 20823751.

It can be written as a sum of positive squares in 4 ways, for example, as 71876484 + 85451536 = 8478^2 + 9244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157328020.

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, 29736 + ... + 34624.

It is an arithmetic number, because the mean of its divisors is an integer number (13777575).

Almost surely, 2^157328020 is an apocalyptic number.

157328020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157328020 is an abundant number, since it is smaller than the sum of its proper divisors (173333780).

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

157328020 is a wasteful number, since it uses less digits than its factorization.

157328020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 157328020 is about 12543.0466793359. The cubic root of 157328020 is about 539.8445139904.

The spelling of 157328020 in words is "one hundred fifty-seven million, three hundred twenty-eight thousand, twenty".