2222222202020 has 72 divisors (see below), whose sum is σ = 5006407792680. Its totient is φ = 828317900800.

The previous prime is 2222222202019. The next prime is 2222222202127. The reversal of 2222222202020 is 202022222222.

It can be written as a sum of positive squares in 12 ways, for example, as 48915284224 + 2173306917796 = 221168^2 + 1474214^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2222222201983 and 2222222202001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1319525 + ... + 2487084.

It is an arithmetic number, because the mean of its divisors is an integer number (69533441565).

Almost surely, 2^{2222222202020} is an apocalyptic number.

2222222202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222222202020 is an abundant number, since it is smaller than the sum of its proper divisors (2784185590660).

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

2222222202020 is a wasteful number, since it uses less digits than its factorization.

2222222202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806753 (or 3806734 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2222222202020 its reverse (202022222222), we get a palindrome (2424244424242).

It can be divided in two parts, 2222222 and 202020, that added together give a palindrome (2424242).

The spelling of 2222222202020 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, twenty".