202202222222020 has 48 divisors (see below), whose sum is σ = 432689771284848. Its totient is φ = 79345054630400.

The previous prime is 202202222221991. The next prime is 202202222222023. The reversal of 202202222222020 is 20222222202202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2903949993604 + 199298272228416 = 1704098^2 + 14117304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202202222221982 and 202202222222000.

It is not an unprimeable number, because it can be changed into a prime (202202222222023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3146431 + ... + 20354470.

It is an arithmetic number, because the mean of its divisors is an integer number (9014370235101).

Almost surely, 2^{202202222222020} is an apocalyptic number.

202202222222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202202222222020 is an abundant number, since it is smaller than the sum of its proper divisors (230487549062828).

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

202202222222020 is a wasteful number, since it uses less digits than its factorization.

202202222222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23509080 (or 23509078 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 202202222222020 its reverse (20222222202202), we get a palindrome (222424444424222).

It can be divided in two parts, 202202 and 222222020, that added together give a palindrome (222424222).

The spelling of 202202222222020 in words is "two hundred two trillion, two hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty".