920105975 has 24 divisors (see below), whose sum is σ = 1162806528. Its totient is φ = 722066400.

The previous prime is 920105933. The next prime is 920105987. The reversal of 920105975 is 579501029.

It is not a de Polignac number, because 920105975 - 2⁶ = 920105911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452912 + ... + 454938.

It is an arithmetic number, because the mean of its divisors is an integer number (48450272).

Almost surely, 2^920105975 is an apocalyptic number.

920105975 is a deficient number, since it is larger than the sum of its proper divisors (242700553).

920105975 is a wasteful number, since it uses less digits than its factorization.

920105975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2370 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 920105975 is about 30333.2486720430. The cubic root of 920105975 is about 972.6261690245.

The spelling of 920105975 in words is "nine hundred twenty million, one hundred five thousand, nine hundred seventy-five".