220202119979 has 4 divisors (see below), whose sum is σ = 227795296560. Its totient is φ = 212608943400.

The previous prime is 220202119967. The next prime is 220202119999. The reversal of 220202119979 is 979911202022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220202119979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220202119999) 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, 3796588247 + ... + 3796588304.

It is an arithmetic number, because the mean of its divisors is an integer number (56948824140).

Almost surely, 2^220202119979 is an apocalyptic number.

220202119979 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

220202119979 is a deficient number, since it is larger than the sum of its proper divisors (7593176581).

220202119979 is an equidigital number, since it uses as much as digits as its factorization.

220202119979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593176580.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 220202119979 in words is "two hundred twenty billion, two hundred two million, one hundred nineteen thousand, nine hundred seventy-nine".