157427020 has 12 divisors (see below), whose sum is σ = 330596784. Its totient is φ = 62970800.

The previous prime is 157427009. The next prime is 157427029. The reversal of 157427020 is 20724751.

It is a self number, because there is not a number n which added to its sum of digits gives 157427020.

It is not an unprimeable number, because it can be changed into a prime (157427029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935656 + ... + 3935695.

It is an arithmetic number, because the mean of its divisors is an integer number (27549732).

Almost surely, 2^157427020 is an apocalyptic number.

157427020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157427020 is an abundant number, since it is smaller than the sum of its proper divisors (173169764).

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

157427020 is a wasteful number, since it uses less digits than its factorization.

157427020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871360 (or 7871358 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 157427020 is about 12546.9924683169. The cubic root of 157427020 is about 539.9577241709.

The spelling of 157427020 in words is "one hundred fifty-seven million, four hundred twenty-seven thousand, twenty".