20203322013 has 24 divisors (see below), whose sum is σ = 33368457408. Its totient is φ = 11538891072.

The previous prime is 20203321993. The next prime is 20203322039. The reversal of 20203322013 is 31022330202.

It is a happy number.

It is not a de Polignac number, because 20203322013 - 2⁵ = 20203321981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203322213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45106 + ... + 206012.

It is an arithmetic number, because the mean of its divisors is an integer number (1390352392).

Almost surely, 2^20203322013 is an apocalyptic number.

It is an amenable number.

20203322013 is a deficient number, since it is larger than the sum of its proper divisors (13165135395).

20203322013 is a wasteful number, since it uses less digits than its factorization.

20203322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162913 (or 162910 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20203322013 its reverse (31022330202), we get a palindrome (51225652215).

The spelling of 20203322013 in words is "twenty billion, two hundred three million, three hundred twenty-two thousand, thirteen".