20003331013213 has 32 divisors (see below), whose sum is σ = 21899476593792. Its totient is φ = 18200114380800.

The previous prime is 20003331013187. The next prime is 20003331013249. The reversal of 20003331013213 is 31231013330002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003331013213 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 (20003331013313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16009618 + ... + 17213788.

It is an arithmetic number, because the mean of its divisors is an integer number (684358643556).

Almost surely, 2^{20003331013213} is an apocalyptic number.

It is an amenable number.

20003331013213 is a deficient number, since it is larger than the sum of its proper divisors (1896145580579).

20003331013213 is a wasteful number, since it uses less digits than its factorization.

20003331013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204525.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20003331013213 its reverse (31231013330002), we get a palindrome (51234344343215).

The spelling of 20003331013213 in words is "twenty trillion, three billion, three hundred thirty-one million, thirteen thousand, two hundred thirteen".