220413233 has 4 divisors (see below), whose sum is σ = 220776960. Its totient is φ = 220049508.

The previous prime is 220413173. The next prime is 220413251. The reversal of 220413233 is 332314022.

220413233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220413233 - 2¹⁴ = 220396849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220413283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180953 + ... + 182166.

It is an arithmetic number, because the mean of its divisors is an integer number (55194240).

Almost surely, 2^220413233 is an apocalyptic number.

It is an amenable number.

220413233 is a deficient number, since it is larger than the sum of its proper divisors (363727).

220413233 is an equidigital number, since it uses as much as digits as its factorization.

220413233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363726.

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

The square root of 220413233 is about 14846.3205205869. The cubic root of 220413233 is about 604.0588083976.

Adding to 220413233 its reverse (332314022), we get a palindrome (552727255).

The spelling of 220413233 in words is "two hundred twenty million, four hundred thirteen thousand, two hundred thirty-three".