22010100020220 has 96 divisors (see below), whose sum is σ = 66370375955520. Its totient is φ = 5417751674880.

The previous prime is 22010100020171. The next prime is 22010100020287. The reversal of 22010100020220 is 2202000101022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22010100020196 and 22010100020205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38269180 + ... + 38840060.

It is an arithmetic number, because the mean of its divisors is an integer number (691358082870).

Almost surely, 2^{22010100020220} is an apocalyptic number.

22010100020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010100020220 is an abundant number, since it is smaller than the sum of its proper divisors (44360275935300).

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

22010100020220 is a wasteful number, since it uses less digits than its factorization.

22010100020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620335 (or 620333 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22010100020220 its reverse (2202000101022), we get a palindrome (24212100121242).

The spelling of 22010100020220 in words is "twenty-two trillion, ten billion, one hundred million, twenty thousand, two hundred twenty".