20223158 has 16 divisors (see below), whose sum is σ = 31329936. Its totient is φ = 9784320.

The previous prime is 20223139. The next prime is 20223167. The reversal of 20223158 is 85132202.

It is a super-2 number, since 2×20223158² = 817952238985928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8678 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (1958121).

Almost surely, 2^20223158 is an apocalyptic number.

20223158 is a deficient number, since it is larger than the sum of its proper divisors (11106778).

20223158 is a wasteful number, since it uses less digits than its factorization.

20223158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20223158 is about 4497.0165665694. The cubic root of 20223158 is about 272.4476032018.

The spelling of 20223158 in words is "twenty million, two hundred twenty-three thousand, one hundred fifty-eight".