20332221200120 has 16 divisors (see below), whose sum is σ = 45747497700360. Its totient is φ = 8132888480032.

The previous prime is 20332221200117. The next prime is 20332221200171. The reversal of 20332221200120 is 2100212223302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20332221200092 and 20332221200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254152764962 + ... + 254152765041.

Almost surely, 2^{20332221200120} is an apocalyptic number.

20332221200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332221200120 is an abundant number, since it is smaller than the sum of its proper divisors (25415276500240).

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

20332221200120 is a wasteful number, since it uses less digits than its factorization.

20332221200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508305530014 (or 508305530010 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20332221200120 its reverse (2100212223302), we get a palindrome (22432433423422).

The spelling of 20332221200120 in words is "twenty trillion, three hundred thirty-two billion, two hundred twenty-one million, two hundred thousand, one hundred twenty".