260323220 has 24 divisors (see below), whose sum is σ = 552825000. Its totient is φ = 102958592.

The previous prime is 260323201. The next prime is 260323229. The reversal of 260323220 is 22323062.

It is a happy number.

260323220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46403344 + 213919876 = 6812^2 + 14626^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 260323192 and 260323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260323229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71345 + ... + 74904.

It is an arithmetic number, because the mean of its divisors is an integer number (23034375).

Almost surely, 2^260323220 is an apocalyptic number.

260323220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260323220 is an abundant number, since it is smaller than the sum of its proper divisors (292501780).

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

260323220 is a wasteful number, since it uses less digits than its factorization.

260323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146347 (or 146345 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 260323220 is about 16134.5350103435. The cubic root of 260323220 is about 638.5148015236.

Adding to 260323220 its reverse (22323062), we get a palindrome (282646282).

The spelling of 260323220 in words is "two hundred sixty million, three hundred twenty-three thousand, two hundred twenty".