120221020220 has 48 divisors (see below), whose sum is σ = 291772393920. Its totient is φ = 40755500544.

The previous prime is 120221020211. The next prime is 120221020253. The reversal of 120221020220 is 22020122021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120221020195 and 120221020204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4811819 + ... + 4836738.

It is an arithmetic number, because the mean of its divisors is an integer number (6078591540).

Almost surely, 2^120221020220 is an apocalyptic number.

120221020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221020220 is an abundant number, since it is smaller than the sum of its proper divisors (171551373700).

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

120221020220 is a wasteful number, since it uses less digits than its factorization.

120221020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648662 (or 9648660 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120221020220 its reverse (22020122021), we get a palindrome (142241142241).

The spelling of 120221020220 in words is "one hundred twenty billion, two hundred twenty-one million, twenty thousand, two hundred twenty".