20243179 has 16 divisors (see below), whose sum is σ = 22697856. Its totient is φ = 18048360.

The previous prime is 20243177. The next prime is 20243203. The reversal of 20243179 is 97134202.

It is not a de Polignac number, because 20243179 - 2¹ = 20243177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20243177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89064 + ... + 89290.

It is an arithmetic number, because the mean of its divisors is an integer number (1418616).

Almost surely, 2^20243179 is an apocalyptic number.

20243179 is a deficient number, since it is larger than the sum of its proper divisors (2454677).

20243179 is an equidigital number, since it uses as much as digits as its factorization.

20243179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20243179 is about 4499.2420472786. The cubic root of 20243179 is about 272.5374815878.

The spelling of 20243179 in words is "twenty million, two hundred forty-three thousand, one hundred seventy-nine".