20020221120000 has 200 divisors, whose sum is σ = 66647569557096. Its totient is φ = 5338725376000.

The previous prime is 20020221119971. The next prime is 20020221120061. The reversal of 20020221120000 is 2112202002.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9467199 + ... + 11387198.

Almost surely, 2^{20020221120000} is an apocalyptic number.

20020221120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020221120000 is an abundant number, since it is smaller than the sum of its proper divisors (46627348437096).

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

20020221120000 is an frugal number, since it uses more digits than its factorization.

20020221120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20854438 (or 20854407 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020221120000 its reverse (2112202002), we get a palindrome (20022333322002).

The spelling of 20020221120000 in words is "twenty trillion, twenty billion, two hundred twenty-one million, one hundred twenty thousand".