220413261 has 8 divisors (see below), whose sum is σ = 295526880. Its totient is φ = 146120912.

The previous prime is 220413257. The next prime is 220413269. The reversal of 220413261 is 162314022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220413261 - 2² = 220413257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220413269) 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, 204690 + ... + 205763.

It is an arithmetic number, because the mean of its divisors is an integer number (36940860).

Almost surely, 2^220413261 is an apocalyptic number.

It is an amenable number.

220413261 is a deficient number, since it is larger than the sum of its proper divisors (75113619).

220413261 is a wasteful number, since it uses less digits than its factorization.

220413261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410635.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 220413261 is about 14846.3214635815. The cubic root of 220413261 is about 604.0588339763.

Adding to 220413261 its reverse (162314022), we get a palindrome (382727283).

The spelling of 220413261 in words is "two hundred twenty million, four hundred thirteen thousand, two hundred sixty-one".