120222023220 has 144 divisors (see below), whose sum is σ = 393500736720. Its totient is φ = 29534681088.

The previous prime is 120222023219. The next prime is 120222023221. The reversal of 120222023220 is 22320222021.

120222023220 is a `hidden beast` number, since 1 + 202 + 220 + 23 + 220 = 666.

120222023220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (120222023219) and next prime (120222023221).

It can be written as a sum of positive squares in 8 ways, for example, as 12041550756 + 108180472464 = 109734^2 + 328908^2 .

It is a super-2 number, since 2×120222023220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120222023193 and 120222023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222023221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1140592 + ... + 1241528.

It is an arithmetic number, because the mean of its divisors is an integer number (2732644005).

Almost surely, 2^120222023220 is an apocalyptic number.

120222023220 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 120222023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196750368360).

120222023220 is an abundant number, since it is smaller than the sum of its proper divisors (273278713500).

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

120222023220 is a wasteful number, since it uses less digits than its factorization.

120222023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101474 (or 101469 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 120222023220 its reverse (22320222021), we get a palindrome (142542245241).

The spelling of 120222023220 in words is "one hundred twenty billion, two hundred twenty-two million, twenty-three thousand, two hundred twenty".