220312433 has 8 divisors (see below), whose sum is σ = 240520320. Its totient is φ = 200134480.

The previous prime is 220312409. The next prime is 220312447. The reversal of 220312433 is 334213022.

220312433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220312433 - 2²⁴ = 203535217 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 (220312403) 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, 9623 + ... + 23091.

It is an arithmetic number, because the mean of its divisors is an integer number (30065040).

Almost surely, 2^220312433 is an apocalyptic number.

It is an amenable number.

220312433 is a deficient number, since it is larger than the sum of its proper divisors (20207887).

220312433 is a wasteful number, since it uses less digits than its factorization.

220312433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14967.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 220312433 is about 14842.9253518301. The cubic root of 220312433 is about 603.9667110654.

Adding to 220312433 its reverse (334213022), we get a palindrome (554525455).

The spelling of 220312433 in words is "two hundred twenty million, three hundred twelve thousand, four hundred thirty-three".