220102012019 has 4 divisors (see below), whose sum is σ = 223387116744. Its totient is φ = 216816907296.

The previous prime is 220102012007. The next prime is 220102012063. The reversal of 220102012019 is 910210201022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910210201022 = 2 ⋅455105100511.

It is a cyclic number.

It is not a de Polignac number, because 220102012019 - 2⁸ = 220102011763 is a prime.

It is a super-2 number, since 2×220102012019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220102012619) 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, 1642552262 + ... + 1642552395.

It is an arithmetic number, because the mean of its divisors is an integer number (55846779186).

Almost surely, 2^220102012019 is an apocalyptic number.

220102012019 is a deficient number, since it is larger than the sum of its proper divisors (3285104725).

220102012019 is an equidigital number, since it uses as much as digits as its factorization.

220102012019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285104724.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 220102012019 in words is "two hundred twenty billion, one hundred two million, twelve thousand, nineteen".