222002202020 has 24 divisors (see below), whose sum is σ = 493628426424. Its totient is φ = 83577299456.

The previous prime is 222002202011. The next prime is 222002202053. The reversal of 222002202020 is 20202200222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72120176704 + 149882025316 = 268552^2 + 387146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222002201986 and 222002202004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326473487 + ... + 326474166.

It is an arithmetic number, because the mean of its divisors is an integer number (20567851101).

Almost surely, 2^222002202020 is an apocalyptic number.

222002202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002202020 is an abundant number, since it is smaller than the sum of its proper divisors (271626224404).

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

222002202020 is a wasteful number, since it uses less digits than its factorization.

222002202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652947679 (or 652947677 counting only the distinct ones).

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

Adding to 222002202020 its reverse (20202200222), we get a palindrome (242204402242).

The spelling of 222002202020 in words is "two hundred twenty-two billion, two million, two hundred two thousand, twenty".