120020201220 has 48 divisors (see below), whose sum is σ = 336077376768. Its totient is φ = 32003404800.

The previous prime is 120020201179. The next prime is 120020201227. The reversal of 120020201220 is 22102020021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120020201196 and 120020201205.

It is not an unprimeable number, because it can be changed into a prime (120020201227) 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, 1092820 + ... + 1197620.

It is an arithmetic number, because the mean of its divisors is an integer number (7001612016).

Almost surely, 2^120020201220 is an apocalyptic number.

120020201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020201220 is an abundant number, since it is smaller than the sum of its proper divisors (216057175548).

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

120020201220 is a wasteful number, since it uses less digits than its factorization.

120020201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123900 (or 123898 counting only the distinct ones).

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

Adding to 120020201220 its reverse (22102020021), we get a palindrome (142122221241).

The spelling of 120020201220 in words is "one hundred twenty billion, twenty million, two hundred one thousand, two hundred twenty".