202222002020 has 24 divisors (see below), whose sum is σ = 425019848568. Its totient is φ = 80821440000.

The previous prime is 202222002013. The next prime is 202222002041. The reversal of 202222002020 is 20200222202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2829388864 + 199392613156 = 53192^2 + 446534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202222001986 and 202222002004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4185431 + ... + 4233470.

It is an arithmetic number, because the mean of its divisors is an integer number (17709160357).

Almost surely, 2^202222002020 is an apocalyptic number.

202222002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222002020 is an abundant number, since it is smaller than the sum of its proper divisors (222797846548).

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

202222002020 is a wasteful number, since it uses less digits than its factorization.

202222002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420111 (or 8420109 counting only the distinct ones).

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

Adding to 202222002020 its reverse (20200222202), we get a palindrome (222422224222).

The spelling of 202222002020 in words is "two hundred two billion, two hundred twenty-two million, two thousand, twenty".