120020022 has 16 divisors (see below), whose sum is σ = 266711280. Its totient is φ = 40006656.

The previous prime is 120020011. The next prime is 120020027. The reversal of 120020022 is 220020021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120019986 and 120020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111243 + ... + 1111350.

It is an arithmetic number, because the mean of its divisors is an integer number (16669455).

Almost surely, 2^120020022 is an apocalyptic number.

120020022 is an abundant number, since it is smaller than the sum of its proper divisors (146691258).

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

120020022 is a wasteful number, since it uses less digits than its factorization.

120020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222604 (or 2222598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 120020022 is about 10955.3649870737. The cubic root of 120020022 is about 493.2698458395.

Adding to 120020022 its reverse (220020021), we get a palindrome (340040043).

Subtracting 120020022 from its reverse (220020021), we obtain a palindrome (99999999).

The spelling of 120020022 in words is "one hundred twenty million, twenty thousand, twenty-two".