920018142 has 32 divisors (see below), whose sum is σ = 2073288960. Its totient is φ = 302352120.

The previous prime is 920018137. The next prime is 920018179. The reversal of 920018142 is 241810029.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116148 + ... + 123815.

It is an arithmetic number, because the mean of its divisors is an integer number (64790280).

Almost surely, 2^920018142 is an apocalyptic number.

920018142 is an abundant number, since it is smaller than the sum of its proper divisors (1153270818).

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

920018142 is a wasteful number, since it uses less digits than its factorization.

920018142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240045 (or 240039 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 920018142 is about 30331.8008367456. The cubic root of 920018142 is about 972.5952191864.

The spelling of 920018142 in words is "nine hundred twenty million, eighteen thousand, one hundred forty-two".