920337233 has 2 divisors, whose sum is σ = 920337234. Its totient is φ = 920337232.

The previous prime is 920337217. The next prime is 920337241. The reversal of 920337233 is 332733029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 918877969 + 1459264 = 30313^2 + 1208^2 .

It is an emirp because it is prime and its reverse (332733029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920337233 - 2⁴ = 920337217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920337233.

It is not a weakly prime, because it can be changed into another prime (920337833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460168616 + 460168617.

It is an arithmetic number, because the mean of its divisors is an integer number (460168617).

Almost surely, 2^920337233 is an apocalyptic number.

It is an amenable number.

920337233 is a deficient number, since it is larger than the sum of its proper divisors (1).

920337233 is an equidigital number, since it uses as much as digits as its factorization.

920337233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 920337233 is about 30337.0603882446. The cubic root of 920337233 is about 972.7076483131.

The spelling of 920337233 in words is "nine hundred twenty million, three hundred thirty-seven thousand, two hundred thirty-three".