120221002220020 has 48 divisors (see below), whose sum is σ = 271890286351488. Its totient is φ = 44388335422080.

The previous prime is 120221002219999. The next prime is 120221002220027. The reversal of 120221002220020 is 20022200122021.

It is a junction number, because it is equal to n+sod(n) for n = 120221002219976 and 120221002220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221002220027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7142655 + ... + 17072185.

It is an arithmetic number, because the mean of its divisors is an integer number (5664380965656).

Almost surely, 2^{120221002220020} is an apocalyptic number.

120221002220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221002220020 is an abundant number, since it is smaller than the sum of its proper divisors (151669284131468).

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

120221002220020 is a wasteful number, since it uses less digits than its factorization.

120221002220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976120 (or 9976118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 120221002220020 its reverse (20022200122021), we get a palindrome (140243202342041).

The spelling of 120221002220020 in words is "one hundred twenty trillion, two hundred twenty-one billion, two million, two hundred twenty thousand, twenty".