920111233 has 4 divisors (see below), whose sum is σ = 968538160. Its totient is φ = 871684308.

The previous prime is 920111221. The next prime is 920111239. The reversal of 920111233 is 332111029.

920111233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 920111233 - 2¹⁷ = 919980161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920111239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24213435 + ... + 24213472.

It is an arithmetic number, because the mean of its divisors is an integer number (242134540).

Almost surely, 2^920111233 is an apocalyptic number.

It is an amenable number.

920111233 is a deficient number, since it is larger than the sum of its proper divisors (48426927).

920111233 is a wasteful number, since it uses less digits than its factorization.

920111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48426926.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 920111233 is about 30333.3353424908. The cubic root of 920111233 is about 972.6280217309.

The spelling of 920111233 in words is "nine hundred twenty million, one hundred eleven thousand, two hundred thirty-three".