20003213013 has 24 divisors (see below), whose sum is σ = 32850418752. Its totient is φ = 10758029184.

The previous prime is 20003213011. The next prime is 20003213033. The reversal of 20003213013 is 31031230002.

It is not a de Polignac number, because 20003213013 - 2¹ = 20003213011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003212983 and 20003213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003213011) 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, 3999745 + ... + 4004742.

It is an arithmetic number, because the mean of its divisors is an integer number (1368767448).

Almost surely, 2^20003213013 is an apocalyptic number.

It is an amenable number.

20003213013 is a deficient number, since it is larger than the sum of its proper divisors (12847205739).

20003213013 is a wasteful number, since it uses less digits than its factorization.

20003213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004521 (or 8004514 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20003213013 its reverse (31031230002), we get a palindrome (51034443015).

The spelling of 20003213013 in words is "twenty billion, three million, two hundred thirteen thousand, thirteen".