222321333100020 has 384 divisors, whose sum is σ = 777711243939840. Its totient is φ = 46100987412480.

The previous prime is 222321333100001. The next prime is 222321333100049. The reversal of 222321333100020 is 20001333123222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14073634762 + ... + 14073650558.

It is an arithmetic number, because the mean of its divisors is an integer number (2025289697760).

Almost surely, 2^{222321333100020} is an apocalyptic number.

222321333100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222321333100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388855621969920).

222321333100020 is an abundant number, since it is smaller than the sum of its proper divisors (555389910839820).

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

222321333100020 is a wasteful number, since it uses less digits than its factorization.

222321333100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21943 (or 21941 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 222321333100020 its reverse (20001333123222), we get a palindrome (242322666223242).

The spelling of 222321333100020 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, three hundred thirty-three million, one hundred thousand, twenty".