920545100 has 36 divisors (see below), whose sum is σ = 2084439504. Its totient is φ = 352207680.

The previous prime is 920545091. The next prime is 920545139. The reversal of 920545100 is 1545029.

It is a super-2 number, since 2×920545100² = 1694806562268020000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 920545100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197819 + ... + 202418.

Almost surely, 2^920545100 is an apocalyptic number.

It is an amenable number.

920545100 is an abundant number, since it is smaller than the sum of its proper divisors (1163894404).

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

920545100 is a wasteful number, since it uses less digits than its factorization.

920545100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400274 (or 400267 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 920545100 is about 30340.4861529937. The cubic root of 920545100 is about 972.7808745875.

The spelling of 920545100 in words is "nine hundred twenty million, five hundred forty-five thousand, one hundred".