920231224213 has 16 divisors (see below), whose sum is σ = 1122210094720. Its totient is φ = 737019046656.

The previous prime is 920231224201. The next prime is 920231224217. The reversal of 920231224213 is 312422132029.

It is a cyclic number.

It is not a de Polignac number, because 920231224213 - 2²¹ = 920229127061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920231224217) 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 15 ways as a sum of consecutive naturals, for example, 47380920 + ... + 47400337.

It is an arithmetic number, because the mean of its divisors is an integer number (70138130920).

Almost surely, 2^920231224213 is an apocalyptic number.

It is an amenable number.

920231224213 is a deficient number, since it is larger than the sum of its proper divisors (201978870507).

920231224213 is a wasteful number, since it uses less digits than its factorization.

920231224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94781356.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 920231224213 in words is "nine hundred twenty billion, two hundred thirty-one million, two hundred twenty-four thousand, two hundred thirteen".