120022000 has 80 divisors (see below), whose sum is σ = 331710912. Its totient is φ = 41145600.

The previous prime is 120021977. The next prime is 120022003. The reversal of 120022000 is 220021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9714 + ... + 18286.

Almost surely, 2^120022000 is an apocalyptic number.

120022000 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 120022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165855456).

120022000 is an abundant number, since it is smaller than the sum of its proper divisors (211688912).

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

120022000 is an equidigital number, since it uses as much as digits as its factorization.

120022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603 (or 8587 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 120022000 is about 10955.4552621057. The cubic root of 120022000 is about 493.2725556163.

Adding to 120022000 its reverse (220021), we get a palindrome (120242021).

The spelling of 120022000 in words is "one hundred twenty million, twenty-two thousand".