220034643 has 8 divisors (see below), whose sum is σ = 293449728. Its totient is φ = 146654664.

The previous prime is 220034623. The next prime is 220034651. The reversal of 220034643 is 346430022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220034643 - 2¹⁷ = 219903571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220034603) 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, 15246 + ... + 25932.

It is an arithmetic number, because the mean of its divisors is an integer number (36681216).

Almost surely, 2^220034643 is an apocalyptic number.

220034643 is a deficient number, since it is larger than the sum of its proper divisors (73415085).

220034643 is a wasteful number, since it uses less digits than its factorization.

220034643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17553.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 220034643 is about 14833.5647435133. The cubic root of 220034643 is about 603.7127588704.

Adding to 220034643 its reverse (346430022), we get a palindrome (566464665).

The spelling of 220034643 in words is "two hundred twenty million, thirty-four thousand, six hundred forty-three".