920744033 has 4 divisors (see below), whose sum is σ = 1004448048. Its totient is φ = 837040020.

The previous prime is 920743991. The next prime is 920744039. The reversal of 920744033 is 330447029.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330447029 = 11 ⋅30040639.

It is a cyclic number.

It is not a de Polignac number, because 920744033 - 2⁶ = 920743969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920744039) 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, 41851991 + ... + 41852012.

It is an arithmetic number, because the mean of its divisors is an integer number (251112012).

Almost surely, 2^920744033 is an apocalyptic number.

It is an amenable number.

920744033 is a deficient number, since it is larger than the sum of its proper divisors (83704015).

920744033 is a wasteful number, since it uses less digits than its factorization.

920744033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83704014.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 920744033 is about 30343.7643182253. The cubic root of 920744033 is about 972.8509433179.

The spelling of 920744033 in words is "nine hundred twenty million, seven hundred forty-four thousand, thirty-three".