220132427 has 2 divisors, whose sum is σ = 220132428. Its totient is φ = 220132426.

The previous prime is 220132421. The next prime is 220132489. The reversal of 220132427 is 724231022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220132427 - 2⁴ = 220132411 is a prime.

It is not a weakly prime, because it can be changed into another prime (220132421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110066213 + 110066214.

It is an arithmetic number, because the mean of its divisors is an integer number (110066214).

Almost surely, 2^220132427 is an apocalyptic number.

220132427 is a deficient number, since it is larger than the sum of its proper divisors (1).

220132427 is an equidigital number, since it uses as much as digits as its factorization.

220132427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 220132427 is about 14836.8604158697. The cubic root of 220132427 is about 603.8021761623.

Adding to 220132427 its reverse (724231022), we get a palindrome (944363449).

The spelling of 220132427 in words is "two hundred twenty million, one hundred thirty-two thousand, four hundred twenty-seven".