920243033 has 4 divisors (see below), whose sum is σ = 939822720. Its totient is φ = 900663348.

The previous prime is 920242969. The next prime is 920243147. The reversal of 920243033 is 330342029.

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 920243033 - 2⁶ = 920242969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 920242993 and 920243011.

It is not an unprimeable number, because it can be changed into a prime (920242033) 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, 9789773 + ... + 9789866.

It is an arithmetic number, because the mean of its divisors is an integer number (234955680).

Almost surely, 2^920243033 is an apocalyptic number.

It is an amenable number.

920243033 is a deficient number, since it is larger than the sum of its proper divisors (19579687).

920243033 is a wasteful number, since it uses less digits than its factorization.

920243033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19579686.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 920243033 is about 30335.5077920248. The cubic root of 920243033 is about 972.6744604107.

The spelling of 920243033 in words is "nine hundred twenty million, two hundred forty-three thousand, thirty-three".