920566051 has 4 divisors (see below), whose sum is σ = 920966704. Its totient is φ = 920165400.

The previous prime is 920566001. The next prime is 920566057. The reversal of 920566051 is 150665029.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 920566051 - 2⁹ = 920565539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 920565998 and 920566016.

It is not an unprimeable number, because it can be changed into a prime (920566057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196860 + ... + 201481.

It is an arithmetic number, because the mean of its divisors is an integer number (230241676).

Almost surely, 2^920566051 is an apocalyptic number.

920566051 is a deficient number, since it is larger than the sum of its proper divisors (400653).

920566051 is a wasteful number, since it uses less digits than its factorization.

920566051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400652.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 920566051 is about 30340.8314157671. The cubic root of 920566051 is about 972.7882544821.

The spelling of 920566051 in words is "nine hundred twenty million, five hundred sixty-six thousand, fifty-one".