920890092 has 48 divisors (see below), whose sum is σ = 2222502912. Its totient is φ = 296466240.

The previous prime is 920890073. The next prime is 920890121. The reversal of 920890092 is 290098029.

It is a self number, because there is not a number n which added to its sum of digits gives 920890092.

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, 207238 + ... + 211634.

It is an arithmetic number, because the mean of its divisors is an integer number (46302144).

Almost surely, 2^920890092 is an apocalyptic number.

It is an amenable number.

920890092 is an abundant number, since it is smaller than the sum of its proper divisors (1301612820).

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

920890092 is a wasteful number, since it uses less digits than its factorization.

920890092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 920890092 is about 30346.1709610949. The cubic root of 920890092 is about 972.9023821970.

The spelling of 920890092 in words is "nine hundred twenty million, eight hundred ninety thousand, ninety-two".