120222020 has 24 divisors (see below), whose sum is σ = 257232024. Its totient is φ = 47181056.

The previous prime is 120222013. The next prime is 120222031. The reversal of 120222020 is 20222021.

It can be written as a sum of positive squares in 4 ways, for example, as 8031556 + 112190464 = 2834^2 + 10592^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120221992 and 120222010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55649 + ... + 57768.

It is an arithmetic number, because the mean of its divisors is an integer number (10718001).

Almost surely, 2^120222020 is an apocalyptic number.

120222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222020 is an abundant number, since it is smaller than the sum of its proper divisors (137010004).

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

120222020 is a wasteful number, since it uses less digits than its factorization.

120222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113479 (or 113477 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 120222020 is about 10964.5802473237. The cubic root of 120222020 is about 493.5464210140.

Adding to 120222020 its reverse (20222021), we get a palindrome (140444041).

Subtracting from 120222020 its reverse (20222021), we obtain a palindrome (99999999).

The spelling of 120222020 in words is "one hundred twenty million, two hundred twenty-two thousand, twenty".