920440151 has 8 divisors (see below), whose sum is σ = 980895744. Its totient is φ = 861687640.

The previous prime is 920440141. The next prime is 920440153. The reversal of 920440151 is 151044029.

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

It is a de Polignac number, because none of the positive numbers 2^k-920440151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920440151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920440153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424655 + ... + 426816.

It is an arithmetic number, because the mean of its divisors is an integer number (122611968).

Almost surely, 2^920440151 is an apocalyptic number.

920440151 is a deficient number, since it is larger than the sum of its proper divisors (60455593).

920440151 is a wasteful number, since it uses less digits than its factorization.

920440151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851541.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 920440151 is about 30338.7565829584. The cubic root of 920440151 is about 972.7439050933.

The spelling of 920440151 in words is "nine hundred twenty million, four hundred forty thousand, one hundred fifty-one".