220162873 has 4 divisors (see below), whose sum is σ = 251614720. Its totient is φ = 188711028.

The previous prime is 220162849. The next prime is 220162883. The reversal of 220162873 is 378261022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378261022 = 2 ⋅189130511.

It is a cyclic number.

It is not a de Polignac number, because 220162873 - 2⁹ = 220162361 is a prime.

It is a super-2 number, since 2×220162873² = 96943381295228258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220162883) 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 3 ways as a sum of consecutive naturals, for example, 15725913 + ... + 15725926.

It is an arithmetic number, because the mean of its divisors is an integer number (62903680).

Almost surely, 2^220162873 is an apocalyptic number.

It is an amenable number.

220162873 is a deficient number, since it is larger than the sum of its proper divisors (31451847).

220162873 is an equidigital number, since it uses as much as digits as its factorization.

220162873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31451846.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 220162873 is about 14837.8864060890. The cubic root of 220162873 is about 603.8300117003.

The spelling of 220162873 in words is "two hundred twenty million, one hundred sixty-two thousand, eight hundred seventy-three".