8142757020 has 72 divisors (see below), whose sum is σ = 25104643200. Its totient is φ = 2135802240.

The previous prime is 8142756991. The next prime is 8142757027. The reversal of 8142757020 is 207572418.

8142757020 is a `hidden beast` number, since 81 + 4 + 2 + 7 + 570 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142757027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359820 + ... + 381779.

It is an arithmetic number, because the mean of its divisors is an integer number (348675600).

Almost surely, 2^8142757020 is an apocalyptic number.

It is an amenable number.

8142757020 is an abundant number, since it is smaller than the sum of its proper divisors (16961886180).

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

8142757020 is a wasteful number, since it uses less digits than its factorization.

8142757020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741675 (or 741670 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 8142757020 is about 90237.2263536507. The cubic root of 8142757020 is about 2011.8263492267.

The spelling of 8142757020 in words is "eight billion, one hundred forty-two million, seven hundred fifty-seven thousand, twenty".