202222002020020 has 48 divisors (see below), whose sum is σ = 433759213601280. Its totient is φ = 79157255837184.

The previous prime is 202222002020011. The next prime is 202222002020053. The reversal of 202222002020020 is 20020200222202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202222002019976 and 202222002020003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7186800 + ... + 21356359.

It is an arithmetic number, because the mean of its divisors is an integer number (9036650283360).

Almost surely, 2^{202222002020020} is an apocalyptic number.

202222002020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222002020020 is an abundant number, since it is smaller than the sum of its proper divisors (231537211581260).

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

202222002020020 is a wasteful number, since it uses less digits than its factorization.

202222002020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28550752 (or 28550750 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 202222002020020 its reverse (20020200222202), we get a palindrome (222242202242222).

The spelling of 202222002020020 in words is "two hundred two trillion, two hundred twenty-two billion, two million, twenty thousand, twenty".