22102210200020 has 96 divisors (see below), whose sum is σ = 47418481924128. Its totient is φ = 8651637153792.

The previous prime is 22102210199963. The next prime is 22102210200041. The reversal of 22102210200020 is 2000201220122.

It can be written as a sum of positive squares in 16 ways, for example, as 13062398269636 + 9039811930384 = 3614194^2 + 3006628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102210199968 and 22102210200004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399412274 + ... + 399467606.

It is an arithmetic number, because the mean of its divisors is an integer number (493942520043).

Almost surely, 2^{22102210200020} is an apocalyptic number.

22102210200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102210200020 is an abundant number, since it is smaller than the sum of its proper divisors (25316271724108).

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

22102210200020 is a wasteful number, since it uses less digits than its factorization.

22102210200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57549 (or 57547 counting only the distinct ones).

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

Adding to 22102210200020 its reverse (2000201220122), we get a palindrome (24102411420142).

The spelling of 22102210200020 in words is "twenty-two trillion, one hundred two billion, two hundred ten million, two hundred thousand, twenty".