920731265 has 8 divisors (see below), whose sum is σ = 1130572608. Its totient is φ = 719454960.

The previous prime is 920731243. The next prime is 920731267. The reversal of 920731265 is 562137029.

920731265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 920731265 - 2²² = 916536961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920731267) 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, 2141021 + ... + 2141450.

It is an arithmetic number, because the mean of its divisors is an integer number (141321576).

Almost surely, 2^920731265 is an apocalyptic number.

It is an amenable number.

920731265 is a deficient number, since it is larger than the sum of its proper divisors (209841343).

920731265 is a wasteful number, since it uses less digits than its factorization.

920731265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282519.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 920731265 is about 30343.5539283058. The cubic root of 920731265 is about 972.8464464408.

The spelling of 920731265 in words is "nine hundred twenty million, seven hundred thirty-one thousand, two hundred sixty-five".