120221320020 has 48 divisors (see below), whose sum is σ = 341643882048. Its totient is φ = 31580524800.

The previous prime is 120221320003. The next prime is 120221320057. The reversal of 120221320020 is 20023122021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14948881 + ... + 14956920.

It is an arithmetic number, because the mean of its divisors is an integer number (7117580876).

Almost surely, 2^120221320020 is an apocalyptic number.

120221320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221320020 is an abundant number, since it is smaller than the sum of its proper divisors (221422562028).

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

120221320020 is a wasteful number, since it uses less digits than its factorization.

120221320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29905880 (or 29905878 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 120221320020 its reverse (20023122021), we get a palindrome (140244442041).

The spelling of 120221320020 in words is "one hundred twenty billion, two hundred twenty-one million, three hundred twenty thousand, twenty".