220221220022000 has 80 divisors (see below), whose sum is σ = 532932463076832. Its totient is φ = 88016105369600.

The previous prime is 220221220021993. The next prime is 220221220022081. The reversal of 220221220022000 is 220022122022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 220221220022000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42804542 + ... + 47672541.

Almost surely, 2^{220221220022000} is an apocalyptic number.

220221220022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221220022000 is an abundant number, since it is smaller than the sum of its proper divisors (312711243054832).

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

220221220022000 is a wasteful number, since it uses less digits than its factorization.

220221220022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90478323 (or 90478307 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220221220022000 its reverse (220022122022), we get a palindrome (220441242144022).

The spelling of 220221220022000 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred twenty million, twenty-two thousand".