920133243 has 8 divisors (see below), whose sum is σ = 1363160400. Its totient is φ = 613422144.

The previous prime is 920133223. The next prime is 920133271. The reversal of 920133243 is 342331029.

It is a happy number.

It is not a de Polignac number, because 920133243 - 2²⁶ = 853024379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 34079009 = 920133243 / (9 + 2 + 0 + 1 + 3 + 3 + 2 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (920133223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17039478 + ... + 17039531.

It is an arithmetic number, because the mean of its divisors is an integer number (170395050).

Almost surely, 2^920133243 is an apocalyptic number.

920133243 is a deficient number, since it is larger than the sum of its proper divisors (443027157).

920133243 is a wasteful number, since it uses less digits than its factorization.

920133243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34079018 (or 34079012 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 920133243 is about 30333.6981424949. The cubic root of 920133243 is about 972.6357770874.

The spelling of 920133243 in words is "nine hundred twenty million, one hundred thirty-three thousand, two hundred forty-three".