920556460 has 48 divisors (see below), whose sum is σ = 2154630240. Its totient is φ = 328320000.

The previous prime is 920556451. The next prime is 920556473. The reversal of 920556460 is 64655029.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64791 + ... + 77710.

It is an arithmetic number, because the mean of its divisors is an integer number (44888130).

Almost surely, 2^920556460 is an apocalyptic number.

It is an amenable number.

920556460 is an abundant number, since it is smaller than the sum of its proper divisors (1234073780).

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

920556460 is a wasteful number, since it uses less digits than its factorization.

920556460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142546 (or 142544 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 920556460 is about 30340.6733610182. The cubic root of 920556460 is about 972.7848761098.

The spelling of 920556460 in words is "nine hundred twenty million, five hundred fifty-six thousand, four hundred sixty".