120031003220 has 48 divisors (see below), whose sum is σ = 252910522368. Its totient is φ = 47851647360.

The previous prime is 120031003159. The next prime is 120031003229. The reversal of 120031003220 is 22300130021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120031003195 and 120031003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031003229) 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, 7434797 + ... + 7450923.

It is an arithmetic number, because the mean of its divisors is an integer number (5268969216).

Almost surely, 2^120031003220 is an apocalyptic number.

120031003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120031003220 is an abundant number, since it is smaller than the sum of its proper divisors (132879519148).

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

120031003220 is a wasteful number, since it uses less digits than its factorization.

120031003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17360 (or 17358 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 120031003220 its reverse (22300130021), we get a palindrome (142331133241).

The spelling of 120031003220 in words is "one hundred twenty billion, thirty-one million, three thousand, two hundred twenty".