220020431303 has 16 divisors (see below), whose sum is σ = 230570709600. Its totient is φ = 209770974720.

The previous prime is 220020431251. The next prime is 220020431317. The reversal of 220020431303 is 303134020022.

It is a cyclic number.

It is not a de Polignac number, because 220020431303 - 2⁸ = 220020431047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020431363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10973 + ... + 663446.

It is an arithmetic number, because the mean of its divisors is an integer number (14410669350).

Almost surely, 2^220020431303 is an apocalyptic number.

220020431303 is a deficient number, since it is larger than the sum of its proper divisors (10550278297).

220020431303 is a wasteful number, since it uses less digits than its factorization.

220020431303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674642.

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

Adding to 220020431303 its reverse (303134020022), we get a palindrome (523154451325).

The spelling of 220020431303 in words is "two hundred twenty billion, twenty million, four hundred thirty-one thousand, three hundred three".