20414666231 has 4 divisors (see below), whose sum is σ = 20444821512. Its totient is φ = 20384510952.

The previous prime is 20414666221. The next prime is 20414666273. The reversal of 20414666231 is 13266641402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20414666231 - 2¹⁰ = 20414665207 is a prime.

It is a super-2 number, since 2×20414666231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20414666191 and 20414666200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414666221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15076625 + ... + 15077978.

It is an arithmetic number, because the mean of its divisors is an integer number (5111205378).

Almost surely, 2^20414666231 is an apocalyptic number.

20414666231 is a deficient number, since it is larger than the sum of its proper divisors (30155281).

20414666231 is an equidigital number, since it uses as much as digits as its factorization.

20414666231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30155280.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20414666231 in words is "twenty billion, four hundred fourteen million, six hundred sixty-six thousand, two hundred thirty-one".