920292213 has 4 divisors (see below), whose sum is σ = 1227056288. Its totient is φ = 613528140.

The previous prime is 920292211. The next prime is 920292221. The reversal of 920292213 is 312292029.

It is a happy number.

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.

It is not a de Polignac number, because 920292213 - 2¹ = 920292211 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 (920292211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153382033 + ... + 153382038.

It is an arithmetic number, because the mean of its divisors is an integer number (306764072).

Almost surely, 2^920292213 is an apocalyptic number.

It is an amenable number.

920292213 is a deficient number, since it is larger than the sum of its proper divisors (306764075).

920292213 is a wasteful number, since it uses less digits than its factorization.

920292213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306764074.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 920292213 is about 30336.3183824274. The cubic root of 920292213 is about 972.6917874559.

The spelling of 920292213 in words is "nine hundred twenty million, two hundred ninety-two thousand, two hundred thirteen".