22010021000220 has 96 divisors (see below), whose sum is σ = 71185351378176. Its totient is φ = 5021894272000.

The previous prime is 22010021000171. The next prime is 22010021000263. The reversal of 22010021000220 is 2200012001022.

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 = 22010021000196 and 22010021000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980827506 + ... + 980849945.

It is an arithmetic number, because the mean of its divisors is an integer number (741514076856).

Almost surely, 2^{22010021000220} is an apocalyptic number.

22010021000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010021000220 is an abundant number, since it is smaller than the sum of its proper divisors (49175330377956).

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

22010021000220 is a wasteful number, since it uses less digits than its factorization.

22010021000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961677491 (or 1961677489 counting only the distinct ones).

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

Adding to 22010021000220 its reverse (2200012001022), we get a palindrome (24210033001242).

The spelling of 22010021000220 in words is "twenty-two trillion, ten billion, twenty-one million, two hundred twenty", and thus it is an aban number.