920236377 has 4 divisors (see below), whose sum is σ = 1226981840. Its totient is φ = 613490916.

The previous prime is 920236327. The next prime is 920236397. The reversal of 920236377 is 773632029.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773632029 = 3 ⋅257877343.

It is not a de Polignac number, because 920236377 - 2¹⁸ = 919974233 is a prime.

It is a super-2 number, since 2×920236377² = 1693669979108172258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920236327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153372727 + ... + 153372732.

It is an arithmetic number, because the mean of its divisors is an integer number (306745460).

Almost surely, 2^920236377 is an apocalyptic number.

It is an amenable number.

920236377 is a deficient number, since it is larger than the sum of its proper divisors (306745463).

920236377 is a wasteful number, since it uses less digits than its factorization.

920236377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306745462.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 920236377 is about 30335.3980854051. The cubic root of 920236377 is about 972.6721153284.

The spelling of 920236377 in words is "nine hundred twenty million, two hundred thirty-six thousand, three hundred seventy-seven".