20834175688 has 8 divisors (see below), whose sum is σ = 39064079430. Its totient is φ = 10417087840.

The previous prime is 20834175671. The next prime is 20834175709. The reversal of 20834175688 is 88657143802.

It can be written as a sum of positive squares in only one way, i.e., 15861387364 + 4972788324 = 125942^2 + 70518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302135973 + ... + 1302135988.

Almost surely, 2^20834175688 is an apocalyptic number.

It is an amenable number.

20834175688 is a deficient number, since it is larger than the sum of its proper divisors (18229903742).

20834175688 is a wasteful number, since it uses less digits than its factorization.

20834175688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604271967 (or 2604271963 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 20834175688 in words is "twenty billion, eight hundred thirty-four million, one hundred seventy-five thousand, six hundred eighty-eight".