220420434032 has 20 divisors (see below), whose sum is σ = 427089290280. Its totient is φ = 110203843008.

The previous prime is 220420433971. The next prime is 220420434041. The reversal of 220420434032 is 230434024022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220420433992 and 220420434010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106607 + ... + 672462.

It is an arithmetic number, because the mean of its divisors is an integer number (21354464514).

Almost surely, 2^220420434032 is an apocalyptic number.

It is an amenable number.

220420434032 is a deficient number, since it is larger than the sum of its proper divisors (206668856248).

220420434032 is a wasteful number, since it uses less digits than its factorization.

220420434032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796760 (or 796754 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 220420434032 its reverse (230434024022), we get a palindrome (450854458054).

The spelling of 220420434032 in words is "two hundred twenty billion, four hundred twenty million, four hundred thirty-four thousand, thirty-two".