120010220 has 72 divisors (see below), whose sum is σ = 280327824. Its totient is φ = 43120000.

The previous prime is 120010211. The next prime is 120010229. The reversal of 120010220 is 22010021.

It is an interprime number because it is at equal distance from previous prime (120010211) and next prime (120010229).

It is a junction number, because it is equal to n+sod(n) for n = 120010198 and 120010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244175 + ... + 244665.

It is an arithmetic number, because the mean of its divisors is an integer number (3893442).

Almost surely, 2^120010220 is an apocalyptic number.

120010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140163912).

120010220 is an abundant number, since it is smaller than the sum of its proper divisors (160317604).

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

120010220 is a wasteful number, since it uses less digits than its factorization.

120010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120010220 is about 10954.9176172165. The cubic root of 120010220 is about 493.2564170727.

Adding to 120010220 its reverse (22010021), we get a palindrome (142020241).

The spelling of 120010220 in words is "one hundred twenty million, ten thousand, two hundred twenty".