520270992 has 80 divisors (see below), whose sum is σ = 1581238080. Its totient is φ = 163219968.

The previous prime is 520270987. The next prime is 520270997. The reversal of 520270992 is 299072025.

It is an interprime number because it is at equal distance from previous prime (520270987) and next prime (520270997).

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

It is not an unprimeable number, because it can be changed into a prime (520270997) 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, 28078 + ... + 42765.

It is an arithmetic number, because the mean of its divisors is an integer number (19765476).

Almost surely, 2^520270992 is an apocalyptic number.

It is an amenable number.

520270992 is an abundant number, since it is smaller than the sum of its proper divisors (1060967088).

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

520270992 is a wasteful number, since it uses less digits than its factorization.

520270992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70877 (or 70865 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 520270992 is about 22809.4496207164. The cubic root of 520270992 is about 804.2848177812.

The spelling of 520270992 in words is "five hundred twenty million, two hundred seventy thousand, nine hundred ninety-two".