20340883883 has 4 divisors (see below), whose sum is σ = 20341172208. Its totient is φ = 20340595560.

The previous prime is 20340883867. The next prime is 20340883889. The reversal of 20340883883 is 38838804302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 38838804302 = 2 ⋅19419402151.

It is a cyclic number.

It is not a de Polignac number, because 20340883883 - 2⁴ = 20340883867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340883889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40553 + ... + 205733.

It is an arithmetic number, because the mean of its divisors is an integer number (5085293052).

Almost surely, 2^20340883883 is an apocalyptic number.

20340883883 is a deficient number, since it is larger than the sum of its proper divisors (288325).

20340883883 is a wasteful number, since it uses less digits than its factorization.

20340883883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288324.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 20340883883 in words is "twenty billion, three hundred forty million, eight hundred eighty-three thousand, eight hundred eighty-three".