920380699 has 4 divisors (see below), whose sum is σ = 1051863664. Its totient is φ = 788897736.

The previous prime is 920380679. The next prime is 920380709. The reversal of 920380699 is 996083029.

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 920380699 - 2²⁹ = 383509787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920380639) 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 3 ways as a sum of consecutive naturals, for example, 65741472 + ... + 65741485.

It is an arithmetic number, because the mean of its divisors is an integer number (262965916).

Almost surely, 2^920380699 is an apocalyptic number.

920380699 is a deficient number, since it is larger than the sum of its proper divisors (131482965).

920380699 is a wasteful number, since it uses less digits than its factorization.

920380699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131482964.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 920380699 is about 30337.7767642917. The cubic root of 920380699 is about 972.7229611947.

The spelling of 920380699 in words is "nine hundred twenty million, three hundred eighty thousand, six hundred ninety-nine".