20023203013 has 16 divisors (see below), whose sum is σ = 22471960896. Its totient is φ = 17680861440.

The previous prime is 20023202959. The next prime is 20023203019. The reversal of 20023203013 is 31030232002.

It is not a de Polignac number, because 20023203013 - 2⁹ = 20023202501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023203019) 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, 199870 + ... + 282832.

It is an arithmetic number, because the mean of its divisors is an integer number (1404497556).

Almost surely, 2^20023203013 is an apocalyptic number.

It is an amenable number.

20023203013 is a deficient number, since it is larger than the sum of its proper divisors (2448757883).

20023203013 is a wasteful number, since it uses less digits than its factorization.

20023203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83604.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20023203013 its reverse (31030232002), we get a palindrome (51053435015).

The spelling of 20023203013 in words is "twenty billion, twenty-three million, two hundred three thousand, thirteen".