22020102211220 has 12 divisors (see below), whose sum is σ = 46242214643604. Its totient is φ = 8808040884480.

The previous prime is 22020102211171. The next prime is 22020102211301. The reversal of 22020102211220 is 2211220102022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5794448151556 + 16225654059664 = 2407166^2 + 4028108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550502555261 + ... + 550502555300.

It is an arithmetic number, because the mean of its divisors is an integer number (3853517886967).

Almost surely, 2^{22020102211220} is an apocalyptic number.

22020102211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020102211220 is an abundant number, since it is smaller than the sum of its proper divisors (24222112432384).

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

22020102211220 is a wasteful number, since it uses less digits than its factorization.

22020102211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101005110570 (or 1101005110568 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22020102211220 its reverse (2211220102022), we get a palindrome (24231322313242).

The spelling of 22020102211220 in words is "twenty-two trillion, twenty billion, one hundred two million, two hundred eleven thousand, two hundred twenty".