2221323020220 has 48 divisors (see below), whose sum is σ = 6219781037568. Its totient is φ = 592345512000.

The previous prime is 2221323020201. The next prime is 2221323020311. The reversal of 2221323020220 is 220203231222.

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, 6170017 + ... + 6520103.

It is an arithmetic number, because the mean of its divisors is an integer number (129578771616).

Almost surely, 2^{2221323020220} is an apocalyptic number.

2221323020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221323020220 is an abundant number, since it is smaller than the sum of its proper divisors (3998458017348).

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

2221323020220 is a wasteful number, since it uses less digits than its factorization.

2221323020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455850 (or 455848 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2221323020220 its reverse (220203231222), we get a palindrome (2441526251442).

The spelling of 2221323020220 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, twenty thousand, two hundred twenty".