20923274 has 8 divisors (see below), whose sum is σ = 31827168. Its totient is φ = 10314220.

The previous prime is 20923267. The next prime is 20923289. The reversal of 20923274 is 47232902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73532 + ... + 73815.

It is an arithmetic number, because the mean of its divisors is an integer number (3978396).

Almost surely, 2^20923274 is an apocalyptic number.

20923274 is a deficient number, since it is larger than the sum of its proper divisors (10903894).

20923274 is a wasteful number, since it uses less digits than its factorization.

20923274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147420.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20923274 is about 4574.1965414704. The cubic root of 20923274 is about 275.5560056671.

The spelling of 20923274 in words is "twenty million, nine hundred twenty-three thousand, two hundred seventy-four".