220220019 has 8 divisors (see below), whose sum is σ = 326251920. Its totient is φ = 146813328.

The previous prime is 220219991. The next prime is 220220053. The reversal of 220220019 is 910022022.

It is not a de Polignac number, because 220220019 - 2⁷ = 220219891 is a prime.

It is a super-2 number, since 2×220220019² = 96993713536720722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220219983 and 220220010.

It is not an unprimeable number, because it can be changed into a prime (220220069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4078122 + ... + 4078175.

It is an arithmetic number, because the mean of its divisors is an integer number (40781490).

Almost surely, 2^220220019 is an apocalyptic number.

220220019 is a deficient number, since it is larger than the sum of its proper divisors (106031901).

220220019 is an equidigital number, since it uses as much as digits as its factorization.

220220019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156306 (or 8156300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 220220019 is about 14839.8119597251. The cubic root of 220220019 is about 603.8822510330.

The spelling of 220220019 in words is "two hundred twenty million, two hundred twenty thousand, nineteen".