120220525 has 6 divisors (see below), whose sum is σ = 149073482. Its totient is φ = 96176400.

The previous prime is 120220523. The next prime is 120220553. The reversal of 120220525 is 525022021.

It can be written as a sum of positive squares in 3 ways, for example, as 33767721 + 86452804 = 5811^2 + 9298^2 .

It is not a de Polignac number, because 120220525 - 2¹ = 120220523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2404386 + ... + 2404435.

Almost surely, 2^120220525 is an apocalyptic number.

It is an amenable number.

120220525 is a deficient number, since it is larger than the sum of its proper divisors (28852957).

120220525 is an equidigital number, since it uses as much as digits as its factorization.

120220525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808831 (or 4808826 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 120220525 is about 10964.5120730473. The cubic root of 120220525 is about 493.5443752019.

Adding to 120220525 its reverse (525022021), we get a palindrome (645242546).

The spelling of 120220525 in words is "one hundred twenty million, two hundred twenty thousand, five hundred twenty-five".