120245222420 has 48 divisors (see below), whose sum is σ = 261755020800. Its totient is φ = 46344842880.

The previous prime is 120245222311. The next prime is 120245222429. The reversal of 120245222420 is 24222542021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120245222420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120245222429) 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, 73661 + ... + 495899.

It is an arithmetic number, because the mean of its divisors is an integer number (5453229600).

Almost surely, 2^120245222420 is an apocalyptic number.

120245222420 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 120245222420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130877510400).

120245222420 is an abundant number, since it is smaller than the sum of its proper divisors (141509798380).

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

120245222420 is a wasteful number, since it uses less digits than its factorization.

120245222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422768 (or 422766 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 120245222420 its reverse (24222542021), we get a palindrome (144467764441).

The spelling of 120245222420 in words is "one hundred twenty billion, two hundred forty-five million, two hundred twenty-two thousand, four hundred twenty".