220379567 has 4 divisors (see below), whose sum is σ = 220862256. Its totient is φ = 219896880.

The previous prime is 220379563. The next prime is 220379587. The reversal of 220379567 is 765973022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765973022 = 2 ⋅382986511.

It is a cyclic number.

It is not a de Polignac number, because 220379567 - 2² = 220379563 is a prime.

It is a super-2 number, since 2×220379567² = 97134307102214978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220379563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240659 + ... + 241572.

It is an arithmetic number, because the mean of its divisors is an integer number (55215564).

Almost surely, 2^220379567 is an apocalyptic number.

220379567 is a deficient number, since it is larger than the sum of its proper divisors (482689).

220379567 is an equidigital number, since it uses as much as digits as its factorization.

220379567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482688.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 220379567 is about 14845.1866610023. The cubic root of 220379567 is about 604.0280521085.

The spelling of 220379567 in words is "two hundred twenty million, three hundred seventy-nine thousand, five hundred sixty-seven".