20223159 has 8 divisors (see below), whose sum is σ = 29415552. Its totient is φ = 12256440.

The previous prime is 20223139. The next prime is 20223167. The reversal of 20223159 is 95132202.

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

It is not a de Polignac number, because 20223159 - 2²⁴ = 3445943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 306379 + ... + 306444.

It is an arithmetic number, because the mean of its divisors is an integer number (3676944).

Almost surely, 2^20223159 is an apocalyptic number.

20223159 is a deficient number, since it is larger than the sum of its proper divisors (9192393).

20223159 is a wasteful number, since it uses less digits than its factorization.

20223159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612837.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20223159 is about 4497.0166777543. The cubic root of 20223159 is about 272.4476076925.

The spelling of 20223159 in words is "twenty million, two hundred twenty-three thousand, one hundred fifty-nine".