223820260 has 24 divisors (see below), whose sum is σ = 486231480. Its totient is φ = 86440704.

The previous prime is 223820257. The next prime is 223820269. The reversal of 223820260 is 62028322.

It can be written as a sum of positive squares in 4 ways, for example, as 93083904 + 130736356 = 9648^2 + 11434^2 .

It is not an unprimeable number, because it can be changed into a prime (223820269) 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, 192369 + ... + 193528.

It is an arithmetic number, because the mean of its divisors is an integer number (20259645).

Almost surely, 2^223820260 is an apocalyptic number.

223820260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223820260 is an abundant number, since it is smaller than the sum of its proper divisors (262411220).

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

223820260 is a wasteful number, since it uses less digits than its factorization.

223820260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385935 (or 385933 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 223820260 is about 14960.6236501023. The cubic root of 223820260 is about 607.1553114730.

Adding to 223820260 its reverse (62028322), we get a palindrome (285848582).

The spelling of 223820260 in words is "two hundred twenty-three million, eight hundred twenty thousand, two hundred sixty".