520206970 has 32 divisors (see below), whose sum is σ = 1023446016. Its totient is φ = 189523200.

The previous prime is 520206949. The next prime is 520206971. The reversal of 520206970 is 79602025.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (520206971) 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, 44086 + ... + 54625.

It is an arithmetic number, because the mean of its divisors is an integer number (31982688).

Almost surely, 2^520206970 is an apocalyptic number.

520206970 is a deficient number, since it is larger than the sum of its proper divisors (503239046).

520206970 is a wasteful number, since it uses less digits than its factorization.

520206970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98766.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 520206970 is about 22808.0461679645. The cubic root of 520206970 is about 804.2518259778.

Adding to 520206970 its reverse (79602025), we get a palindrome (599808995).

The spelling of 520206970 in words is "five hundred twenty million, two hundred six thousand, nine hundred seventy".