260221970 has 16 divisors (see below), whose sum is σ = 475391808. Its totient is φ = 102534960.

The previous prime is 260221963. The next prime is 260222003. The reversal of 260221970 is 79122062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193526 + ... + 194865.

It is an arithmetic number, because the mean of its divisors is an integer number (29711988).

Almost surely, 2^260221970 is an apocalyptic number.

260221970 is a deficient number, since it is larger than the sum of its proper divisors (215169838).

260221970 is a wasteful number, since it uses less digits than its factorization.

260221970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388465.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 260221970 is about 16131.3970256764. The cubic root of 260221970 is about 638.4320095659.

The spelling of 260221970 in words is "two hundred sixty million, two hundred twenty-one thousand, nine hundred seventy".