220342433 has 4 divisors (see below), whose sum is σ = 220374960. Its totient is φ = 220309908.

The previous prime is 220342427. The next prime is 220342453. The reversal of 220342433 is 334243022.

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 220342433 - 2⁴ = 220342417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220342399 and 220342408.

It is not an unprimeable number, because it can be changed into a prime (220342453) 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, 1835 + ... + 21072.

It is an arithmetic number, because the mean of its divisors is an integer number (55093740).

Almost surely, 2^220342433 is an apocalyptic number.

It is an amenable number.

220342433 is a deficient number, since it is larger than the sum of its proper divisors (32527).

220342433 is an equidigital number, since it uses as much as digits as its factorization.

220342433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32526.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 220342433 is about 14843.9358998885. The cubic root of 220342433 is about 603.9941239213.

Adding to 220342433 its reverse (334243022), we get a palindrome (554585455).

The spelling of 220342433 in words is "two hundred twenty million, three hundred forty-two thousand, four hundred thirty-three".