20013031303 has 8 divisors (see below), whose sum is σ = 21103383600. Its totient is φ = 18926382528.

The previous prime is 20013031277. The next prime is 20013031327. The reversal of 20013031303 is 30313031002.

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

It is a cyclic number.

It is not a de Polignac number, because 20013031303 - 2⁵ = 20013031271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013031373) 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, 914776 + ... + 936397.

It is an arithmetic number, because the mean of its divisors is an integer number (2637922950).

Almost surely, 2^20013031303 is an apocalyptic number.

20013031303 is a deficient number, since it is larger than the sum of its proper divisors (1090352297).

20013031303 is a wasteful number, since it uses less digits than its factorization.

20013031303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851761.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20013031303 its reverse (30313031002), we get a palindrome (50326062305).

The spelling of 20013031303 in words is "twenty billion, thirteen million, thirty-one thousand, three hundred three".