20834034999 has 16 divisors (see below), whose sum is σ = 28597319520. Its totient is φ = 13481838720.

The previous prime is 20834034989. The next prime is 20834035063. The reversal of 20834034999 is 99943043802.

It is not a de Polignac number, because 20834034999 - 2⁸ = 20834034743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20834034989) 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 15 ways as a sum of consecutive naturals, for example, 176184 + ... + 269645.

It is an arithmetic number, because the mean of its divisors is an integer number (1787332470).

Almost surely, 2^20834034999 is an apocalyptic number.

20834034999 is a deficient number, since it is larger than the sum of its proper divisors (7763284521).

20834034999 is a wasteful number, since it uses less digits than its factorization.

20834034999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446290.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 20834034999 in words is "twenty billion, eight hundred thirty-four million, thirty-four thousand, nine hundred ninety-nine".