260221028 has 12 divisors (see below), whose sum is σ = 456223152. Its totient is φ = 129871560.

The previous prime is 260220971. The next prime is 260221067. The reversal of 260221028 is 820122062.

260221028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 260220994 and 260221012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57278 + ... + 61653.

It is an arithmetic number, because the mean of its divisors is an integer number (38018596).

Almost surely, 2^260221028 is an apocalyptic number.

It is an amenable number.

260221028 is a deficient number, since it is larger than the sum of its proper divisors (196002124).

260221028 is a wasteful number, since it uses less digits than its factorization.

260221028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119482 (or 119480 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 260221028 is about 16131.3678279308. The cubic root of 260221028 is about 638.4312391932.

The spelling of 260221028 in words is "two hundred sixty million, two hundred twenty-one thousand, twenty-eight".