20536314213 has 4 divisors (see below), whose sum is σ = 27381752288. Its totient is φ = 13690876140.

The previous prime is 20536314187. The next prime is 20536314223. The reversal of 20536314213 is 31241363502.

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 not a de Polignac number, because 20536314213 - 2⁵ = 20536314181 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 (20536314223) 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, 3422719033 + ... + 3422719038.

It is an arithmetic number, because the mean of its divisors is an integer number (6845438072).

Almost surely, 2^20536314213 is an apocalyptic number.

It is an amenable number.

20536314213 is a deficient number, since it is larger than the sum of its proper divisors (6845438075).

20536314213 is an equidigital number, since it uses as much as digits as its factorization.

20536314213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845438074.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 20536314213 its reverse (31241363502), we get a palindrome (51777677715).

The spelling of 20536314213 in words is "twenty billion, five hundred thirty-six million, three hundred fourteen thousand, two hundred thirteen".