120445052520 has 128 divisors (see below), whose sum is σ = 389227587840. Its totient is φ = 29640591360.

The previous prime is 120445052509. The next prime is 120445052551. The reversal of 120445052520 is 25250544021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8793117 + ... + 8806803.

It is an arithmetic number, because the mean of its divisors is an integer number (3040840530).

Almost surely, 2^120445052520 is an apocalyptic number.

120445052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120445052520 is an abundant number, since it is smaller than the sum of its proper divisors (268782535320).

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

120445052520 is a wasteful number, since it uses less digits than its factorization.

120445052520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19355 (or 19351 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 120445052520 its reverse (25250544021), we get a palindrome (145695596541).

The spelling of 120445052520 in words is "one hundred twenty billion, four hundred forty-five million, fifty-two thousand, five hundred twenty".