920133693 has 6 divisors (see below), whose sum is σ = 1329082014. Its totient is φ = 613422456.

The previous prime is 920133677. The next prime is 920133701. The reversal of 920133693 is 396331029.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 800493849 + 119639844 = 28293^2 + 10938^2 .

It is not a de Polignac number, because 920133693 - 2⁴ = 920133677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920133623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51118530 + ... + 51118547.

It is an arithmetic number, because the mean of its divisors is an integer number (221513669).

Almost surely, 2^920133693 is an apocalyptic number.

It is an amenable number.

920133693 is a deficient number, since it is larger than the sum of its proper divisors (408948321).

920133693 is a wasteful number, since it uses less digits than its factorization.

920133693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102237083 (or 102237080 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 920133693 is about 30333.7055599872. The cubic root of 920133693 is about 972.6359356464.

The spelling of 920133693 in words is "nine hundred twenty million, one hundred thirty-three thousand, six hundred ninety-three".