20886341399 has 32 divisors (see below), whose sum is σ = 26396198400. Its totient is φ = 16053863040.

The previous prime is 20886341393. The next prime is 20886341429. The reversal of 20886341399 is 99314368802.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20886341399 - 2⁴ = 20886341383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20886341399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20886341393) 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 31 ways as a sum of consecutive naturals, for example, 1916564 + ... + 1927430.

It is an arithmetic number, because the mean of its divisors is an integer number (824881200).

Almost surely, 2^20886341399 is an apocalyptic number.

20886341399 is a deficient number, since it is larger than the sum of its proper divisors (5509857001).

20886341399 is a wasteful number, since it uses less digits than its factorization.

20886341399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 20886341399 in words is "twenty billion, eight hundred eighty-six million, three hundred forty-one thousand, three hundred ninety-nine".