20836205223 has 8 divisors (see below), whose sum is σ = 27981475200. Its totient is φ = 13790869368.

The previous prime is 20836205213. The next prime is 20836205233. The reversal of 20836205223 is 32250263802.

It is an interprime number because it is at equal distance from previous prime (20836205213) and next prime (20836205233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20836205223 - 2⁸ = 20836204967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20836205213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24983043 + ... + 24983876.

It is an arithmetic number, because the mean of its divisors is an integer number (3497684400).

Almost surely, 2^20836205223 is an apocalyptic number.

20836205223 is a deficient number, since it is larger than the sum of its proper divisors (7145269977).

20836205223 is a wasteful number, since it uses less digits than its factorization.

20836205223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49967061.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 20836205223 in words is "twenty billion, eight hundred thirty-six million, two hundred five thousand, two hundred twenty-three".