220120534530425 has 24 divisors (see below), whose sum is σ = 287320335619200. Its totient is φ = 166825226566080.

The previous prime is 220120534530359. The next prime is 220120534530427. The reversal of 220120534530425 is 524035435021022.

It is not a de Polignac number, because 220120534530425 - 2²² = 220120530336121 is a prime.

It is a super-3 number, since 3×220120534530425³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (220120534530427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22789616 + ... + 30977534.

It is an arithmetic number, because the mean of its divisors is an integer number (11971680650800).

Almost surely, 2^{220120534530425} is an apocalyptic number.

220120534530425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220120534530425 is a deficient number, since it is larger than the sum of its proper divisors (67199801088775).

220120534530425 is a wasteful number, since it uses less digits than its factorization.

220120534530425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244545 (or 8244540 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 220120534530425 its reverse (524035435021022), we get a palindrome (744155969551447).

The spelling of 220120534530425 in words is "two hundred twenty trillion, one hundred twenty billion, five hundred thirty-four million, five hundred thirty thousand, four hundred twenty-five".