222002220020 has 48 divisors (see below), whose sum is σ = 532848371328. Its totient is φ = 76108897920.

The previous prime is 222002220007. The next prime is 222002220059. The reversal of 222002220020 is 20022200222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 222002219977 and 222002220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886510 + ... + 2000730.

It is an arithmetic number, because the mean of its divisors is an integer number (11101007736).

Almost surely, 2^222002220020 is an apocalyptic number.

222002220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002220020 is an abundant number, since it is smaller than the sum of its proper divisors (310846151308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222002220020 is a wasteful number, since it uses less digits than its factorization.

222002220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128120 (or 128118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 222002220020 its reverse (20022200222), we get a palindrome (242024420242).

It can be divided in two parts, 2 and 22002220020, that added together give a palindrome (22002220022).

The spelling of 222002220020 in words is "two hundred twenty-two billion, two million, two hundred twenty thousand, twenty".