120022122220 has 384 divisors, whose sum is σ = 354777034752. Its totient is φ = 32876236800.

The previous prime is 120022122169. The next prime is 120022122223. The reversal of 120022122220 is 22221220021.

It is a junction number, because it is equal to n+sod(n) for n = 120022122194 and 120022122203.

It is not an unprimeable number, because it can be changed into a prime (120022122223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 127546950 + ... + 127547890.

It is an arithmetic number, because the mean of its divisors is an integer number (923898528).

Almost surely, 2^120022122220 is an apocalyptic number.

120022122220 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 120022122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177388517376).

120022122220 is an abundant number, since it is smaller than the sum of its proper divisors (234754912532).

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

120022122220 is a wasteful number, since it uses less digits than its factorization.

120022122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 120022122220 its reverse (22221220021), we get a palindrome (142243342241).

It can be divided in two parts, 120022 and 122220, that added together give a palindrome (242242).

The spelling of 120022122220 in words is "one hundred twenty billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty".