20222113312000 has 72 divisors (see below), whose sum is σ = 50375812104072. Its totient is φ = 8088845312000.

The previous prime is 20222113311937. The next prime is 20222113312003. The reversal of 20222113312000 is 21331122202.

It can be written as a sum of positive squares in 4 ways, for example, as 2124644403456 + 18097468908544 = 1457616^2 + 4254112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222113312003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315938521 + ... + 316002520.

It is an arithmetic number, because the mean of its divisors is an integer number (699664057001).

Almost surely, 2^{20222113312000} is an apocalyptic number.

20222113312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222113312000 is an abundant number, since it is smaller than the sum of its proper divisors (30153698792072).

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

20222113312000 is an frugal number, since it uses more digits than its factorization.

20222113312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631941072 (or 631941048 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20222113312000 its reverse (21331122202), we get a palindrome (20243444434202).

The spelling of 20222113312000 in words is "twenty trillion, two hundred twenty-two billion, one hundred thirteen million, three hundred twelve thousand".