157071020 has 12 divisors (see below), whose sum is σ = 329849184. Its totient is φ = 62828400.

The previous prime is 157071011. The next prime is 157071029. The reversal of 157071020 is 20170751.

It is a happy number.

157071020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157071011) and next prime (157071029).

It is not an unprimeable number, because it can be changed into a prime (157071029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3926756 + ... + 3926795.

It is an arithmetic number, because the mean of its divisors is an integer number (27487432).

Almost surely, 2^157071020 is an apocalyptic number.

157071020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157071020 is an abundant number, since it is smaller than the sum of its proper divisors (172778164).

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

157071020 is a wasteful number, since it uses less digits than its factorization.

157071020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7853560 (or 7853558 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 157071020 is about 12532.7977722454. The cubic root of 157071020 is about 539.5504030959.

The spelling of 157071020 in words is "one hundred fifty-seven million, seventy-one thousand, twenty".