20013003113213 has 16 divisors (see below), whose sum is σ = 23127817611840. Its totient is φ = 17126295264000.

The previous prime is 20013003113209. The next prime is 20013003113231. The reversal of 20013003113213 is 31231130031002.

It is a cyclic number.

It is not a de Polignac number, because 20013003113213 - 2² = 20013003113209 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 (20013003113203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304922588 + ... + 304988213.

It is an arithmetic number, because the mean of its divisors is an integer number (1445488600740).

Almost surely, 2^{20013003113213} is an apocalyptic number.

It is an amenable number.

20013003113213 is a deficient number, since it is larger than the sum of its proper divisors (3114814498627).

20013003113213 is a wasteful number, since it uses less digits than its factorization.

20013003113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609910988.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20013003113213 its reverse (31231130031002), we get a palindrome (51244133144215).

The spelling of 20013003113213 in words is "twenty trillion, thirteen billion, three million, one hundred thirteen thousand, two hundred thirteen".