20000011133213 has 4 divisors (see below), whose sum is σ = 20194185998688. Its totient is φ = 19805836267740.

The previous prime is 20000011133153. The next prime is 20000011133239. The reversal of 20000011133213 is 31233111000002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20000011133213 - 2²⁸ = 19999742697757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000011133191 and 20000011133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000011130213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97087432583 + ... + 97087432788.

It is an arithmetic number, because the mean of its divisors is an integer number (5048546499672).

Almost surely, 2^{20000011133213} is an apocalyptic number.

It is an amenable number.

20000011133213 is a deficient number, since it is larger than the sum of its proper divisors (194174865475).

20000011133213 is a wasteful number, since it uses less digits than its factorization.

20000011133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194174865474.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20000011133213 its reverse (31233111000002), we get a palindrome (51233122133215).

The spelling of 20000011133213 in words is "twenty trillion, eleven million, one hundred thirty-three thousand, two hundred thirteen".