20710590844 has 12 divisors (see below), whose sum is σ = 36244541368. Its totient is φ = 10355007600.

The previous prime is 20710590809. The next prime is 20710590847. The reversal of 20710590844 is 44809501702.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20710590797 and 20710590806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710590847) 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, 251239 + ... + 323329.

Almost surely, 2^20710590844 is an apocalyptic number.

It is an amenable number.

20710590844 is a deficient number, since it is larger than the sum of its proper divisors (15533950524).

20710590844 is a wasteful number, since it uses less digits than its factorization.

20710590844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143916 (or 143914 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 20710590844 in words is "twenty billion, seven hundred ten million, five hundred ninety thousand, eight hundred forty-four".