220431411 has 6 divisors (see below), whose sum is σ = 318400940. Its totient is φ = 146954268.

The previous prime is 220431397. The next prime is 220431413. The reversal of 220431411 is 114134022.

220431411 is a `hidden beast` number, since 220 + 4 + 31 + 411 = 666.

It is not a de Polignac number, because 220431411 - 2⁶ = 220431347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220431413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12246181 + ... + 12246198.

Almost surely, 2^220431411 is an apocalyptic number.

220431411 is a deficient number, since it is larger than the sum of its proper divisors (97969529).

220431411 is a wasteful number, since it uses less digits than its factorization.

220431411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24492385 (or 24492382 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 220431411 is about 14846.9327135271. The cubic root of 220431411 is about 604.0754139934.

Adding to 220431411 its reverse (114134022), we get a palindrome (334565433).

The spelling of 220431411 in words is "two hundred twenty million, four hundred thirty-one thousand, four hundred eleven".