220123092 has 36 divisors (see below), whose sum is σ = 597478560. Its totient is φ = 62892144.

The previous prime is 220123081. The next prime is 220123093. The reversal of 220123092 is 290321022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220123093) 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 11 ways as a sum of consecutive naturals, for example, 186592 + ... + 187767.

Almost surely, 2^220123092 is an apocalyptic number.

It is an amenable number.

220123092 is an abundant number, since it is smaller than the sum of its proper divisors (377355468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220123092 is a wasteful number, since it uses less digits than its factorization.

220123092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374380 (or 374371 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 220123092 is about 14836.5458244161. The cubic root of 220123092 is about 603.7936410378.

The spelling of 220123092 in words is "two hundred twenty million, one hundred twenty-three thousand, ninety-two".