220260721325 has 12 divisors (see below), whose sum is σ = 274758768480. Its totient is φ = 175153432560.

The previous prime is 220260721313. The next prime is 220260721349. The reversal of 220260721325 is 523127062022.

It is not a de Polignac number, because 220260721325 - 2⁴ = 220260721309 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220260721291 and 220260721300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26374355 + ... + 26382704.

It is an arithmetic number, because the mean of its divisors is an integer number (22896564040).

Almost surely, 2^220260721325 is an apocalyptic number.

220260721325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220260721325 is a deficient number, since it is larger than the sum of its proper divisors (54498047155).

220260721325 is a wasteful number, since it uses less digits than its factorization.

220260721325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52757236 (or 52757231 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 220260721325 its reverse (523127062022), we get a palindrome (743387783347).

The spelling of 220260721325 in words is "two hundred twenty billion, two hundred sixty million, seven hundred twenty-one thousand, three hundred twenty-five".