920299431 has 16 divisors (see below), whose sum is σ = 1241856000. Its totient is φ = 606160128.

The previous prime is 920299417. The next prime is 920299451. The reversal of 920299431 is 134992029.

It is not a de Polignac number, because 920299431 - 2¹¹ = 920297383 is a prime.

It is a super-2 number, since 2×920299431² = 1693902085397847522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 920299431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920299451) 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 15 ways as a sum of consecutive naturals, for example, 189370 + ... + 194168.

It is an arithmetic number, because the mean of its divisors is an integer number (77616000).

Almost surely, 2^920299431 is an apocalyptic number.

920299431 is a deficient number, since it is larger than the sum of its proper divisors (321556569).

920299431 is a wasteful number, since it uses less digits than its factorization.

920299431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 920299431 is about 30336.4373485088. The cubic root of 920299431 is about 972.6943304420.

The spelling of 920299431 in words is "nine hundred twenty million, two hundred ninety-nine thousand, four hundred thirty-one".