264241220 has 12 divisors (see below), whose sum is σ = 554906604. Its totient is φ = 105696480.

The previous prime is 264241147. The next prime is 264241223. The reversal of 264241220 is 22142462.

It can be written as a sum of positive squares in 2 ways, for example, as 42588676 + 221652544 = 6526^2 + 14888^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (264241223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6606011 + ... + 6606050.

It is an arithmetic number, because the mean of its divisors is an integer number (46242217).

Almost surely, 2^264241220 is an apocalyptic number.

264241220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264241220 is an abundant number, since it is smaller than the sum of its proper divisors (290665384).

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

264241220 is a wasteful number, since it uses less digits than its factorization.

264241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212070 (or 13212068 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 264241220 is about 16255.4981467810. The cubic root of 264241220 is about 641.7021907208.

Adding to 264241220 its reverse (22142462), we get a palindrome (286383682).

The spelling of 264241220 in words is "two hundred sixty-four million, two hundred forty-one thousand, two hundred twenty".