920173244 has 6 divisors (see below), whose sum is σ = 1610303184. Its totient is φ = 460086620.

The previous prime is 920173237. The next prime is 920173253. The reversal of 920173244 is 442371029.

It is a self number, because there is not a number n which added to its sum of digits gives 920173244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115021652 + ... + 115021659.

It is an arithmetic number, because the mean of its divisors is an integer number (268383864).

Almost surely, 2^920173244 is an apocalyptic number.

It is an amenable number.

920173244 is a deficient number, since it is larger than the sum of its proper divisors (690129940).

920173244 is a wasteful number, since it uses less digits than its factorization.

920173244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230043315 (or 230043313 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 920173244 is about 30334.3574845422. The cubic root of 920173244 is about 972.6498713650.

The spelling of 920173244 in words is "nine hundred twenty million, one hundred seventy-three thousand, two hundred forty-four".