920314660 has 24 divisors (see below), whose sum is σ = 1952589240. Its totient is φ = 364329984.

The previous prime is 920314657. The next prime is 920314667. The reversal of 920314660 is 66413029.

It can be written as a sum of positive squares in 4 ways, for example, as 527076 + 919787584 = 726^2 + 30328^2 .

It is not an unprimeable number, because it can be changed into a prime (920314667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235255 + ... + 239134.

It is an arithmetic number, because the mean of its divisors is an integer number (81357885).

Almost surely, 2^920314660 is an apocalyptic number.

It is an amenable number.

920314660 is an abundant number, since it is smaller than the sum of its proper divisors (1032274580).

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

920314660 is a wasteful number, since it uses less digits than its factorization.

920314660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474495 (or 474493 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 920314660 is about 30336.6883492579. The cubic root of 920314660 is about 972.6996957538.

Adding to 920314660 its reverse (66413029), we get a palindrome (986727689).

The spelling of 920314660 in words is "nine hundred twenty million, three hundred fourteen thousand, six hundred sixty".