920070885 has 16 divisors (see below), whose sum is σ = 1482707520. Its totient is φ = 487173120.

The previous prime is 920070883. The next prime is 920070887. The reversal of 920070885 is 588070029.

It is an interprime number because it is at equal distance from previous prime (920070883) and next prime (920070887).

It is not a de Polignac number, because 920070885 - 2¹ = 920070883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920070883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218556 + ... + 222725.

It is an arithmetic number, because the mean of its divisors is an integer number (92669220).

Almost surely, 2^920070885 is an apocalyptic number.

It is an amenable number.

920070885 is a deficient number, since it is larger than the sum of its proper divisors (562636635).

920070885 is a wasteful number, since it uses less digits than its factorization.

920070885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441428.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 920070885 is about 30332.6702583205. The cubic root of 920070885 is about 972.6138045480.

The spelling of 920070885 in words is "nine hundred twenty million, seventy thousand, eight hundred eighty-five".