220361265 has 48 divisors (see below), whose sum is σ = 396264960. Its totient is φ = 113199360.

The previous prime is 220361213. The next prime is 220361269. The reversal of 220361265 is 562163022.

It is not a de Polignac number, because 220361265 - 2⁶ = 220361201 is a prime.

It is a super-2 number, since 2×220361265² = 97118174224800450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220361269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152416 + ... + 153854.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^220361265 is an apocalyptic number.

It is an amenable number.

220361265 is a deficient number, since it is larger than the sum of its proper divisors (175903695).

220361265 is a wasteful number, since it uses less digits than its factorization.

220361265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 220361265 is about 14844.5702194439. The cubic root of 220361265 is about 604.0113306136.

The spelling of 220361265 in words is "two hundred twenty million, three hundred sixty-one thousand, two hundred sixty-five".