260000220 has 24 divisors (see below), whose sum is σ = 728000784. Its totient is φ = 69333376.

The previous prime is 260000189. The next prime is 260000243. The reversal of 260000220 is 22000062.

It is a super-2 number, since 2×260000220² = 135200228800096800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 260000196 and 260000205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166609 + ... + 2166728.

It is an arithmetic number, because the mean of its divisors is an integer number (30333366).

Almost surely, 2^260000220 is an apocalyptic number.

260000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260000220 is an abundant number, since it is smaller than the sum of its proper divisors (468000564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260000220 is a wasteful number, since it uses less digits than its factorization.

260000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333349 (or 4333347 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 260000220 is about 16124.5223185061. The cubic root of 260000220 is about 638.2506099053.

Adding to 260000220 its reverse (22000062), we get a palindrome (282000282).

The spelling of 260000220 in words is "two hundred sixty million, two hundred twenty", and thus it is an aban number.