220345433 has 16 divisors (see below), whose sum is σ = 279904896. Its totient is φ = 168455040.

The previous prime is 220345423. The next prime is 220345453. The reversal of 220345433 is 334543022.

It is a cyclic number.

It is not a de Polignac number, because 220345433 - 2⁴ = 220345417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220345423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22916 + ... + 31077.

It is an arithmetic number, because the mean of its divisors is an integer number (17494056).

Almost surely, 2^220345433 is an apocalyptic number.

It is an amenable number.

220345433 is a deficient number, since it is larger than the sum of its proper divisors (59559463).

220345433 is a wasteful number, since it uses less digits than its factorization.

220345433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54064.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 220345433 is about 14844.0369509106. The cubic root of 220345433 is about 603.9968650701.

Adding to 220345433 its reverse (334543022), we get a palindrome (554888455).

The spelling of 220345433 in words is "two hundred twenty million, three hundred forty-five thousand, four hundred thirty-three".