265130220 has 48 divisors (see below), whose sum is σ = 751322880. Its totient is φ = 69848256.

The previous prime is 265130219. The next prime is 265130251. The reversal of 265130220 is 22031562.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21640 + ... + 31599.

It is an arithmetic number, because the mean of its divisors is an integer number (15652560).

Almost surely, 2^265130220 is an apocalyptic number.

265130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265130220 is an abundant number, since it is smaller than the sum of its proper divisors (486192660).

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

265130220 is a wasteful number, since it uses less digits than its factorization.

265130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53334 (or 53332 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 265130220 is about 16282.8197803697. The cubic root of 265130220 is about 642.4210221524.

Adding to 265130220 its reverse (22031562), we get a palindrome (287161782).

The spelling of 265130220 in words is "two hundred sixty-five million, one hundred thirty thousand, two hundred twenty".