20591411223 has 8 divisors (see below), whose sum is σ = 27456414336. Its totient is φ = 13727007800.

The previous prime is 20591411221. The next prime is 20591411231. The reversal of 20591411223 is 32211419502.

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

It is a cyclic number.

It is not a de Polignac number, because 20591411223 - 2¹ = 20591411221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20591411221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62523 + ... + 212348.

It is an arithmetic number, because the mean of its divisors is an integer number (3432051792).

Almost surely, 2^20591411223 is an apocalyptic number.

20591411223 is a deficient number, since it is larger than the sum of its proper divisors (6865003113).

20591411223 is a wasteful number, since it uses less digits than its factorization.

20591411223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299845.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 20591411223 in words is "twenty billion, five hundred ninety-one million, four hundred eleven thousand, two hundred twenty-three".