920402065 has 16 divisors (see below), whose sum is σ = 1225316160. Its totient is φ = 658035520.

The previous prime is 920402053. The next prime is 920402089. The reversal of 920402065 is 560204029.

920402065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 920402065 - 2⁵ = 920402033 is a prime.

It is a super-2 number, since 2×920402065² = 1694279922512528450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138574 + ... + 145063.

It is an arithmetic number, because the mean of its divisors is an integer number (76582260).

Almost surely, 2^920402065 is an apocalyptic number.

It is an amenable number.

920402065 is a deficient number, since it is larger than the sum of its proper divisors (304914095).

920402065 is a wasteful number, since it uses less digits than its factorization.

920402065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283712.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 920402065 is about 30338.1288974782. The cubic root of 920402065 is about 972.7304881662.

The spelling of 920402065 in words is "nine hundred twenty million, four hundred two thousand, sixty-five".