202222010100020 has 24 divisors (see below), whose sum is σ = 424867199160264. Its totient is φ = 80850522525696.

The previous prime is 202222010099981. The next prime is 202222010100043. The reversal of 202222010100020 is 20001010222202.

202222010100020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2525035409296 + 199696974690724 = 1589036^2 + 14131418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202222010099968 and 202222010100004.

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 7 ways as a sum of consecutive naturals, for example, 2392551329 + ... + 2392635848.

It is an arithmetic number, because the mean of its divisors is an integer number (17702799965011).

Almost surely, 2^{202222010100020} is an apocalyptic number.

202222010100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222010100020 is an abundant number, since it is smaller than the sum of its proper divisors (222645189060244).

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

202222010100020 is a wasteful number, since it uses less digits than its factorization.

202222010100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785189299 (or 4785189297 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202222010100020 its reverse (20001010222202), we get a palindrome (222223020322222).

The spelling of 202222010100020 in words is "two hundred two trillion, two hundred twenty-two billion, ten million, one hundred thousand, twenty".