20839534910 has 16 divisors (see below), whose sum is σ = 37650614400. Its totient is φ = 8304824736.

The previous prime is 20839534897. The next prime is 20839534927. The reversal of 20839534910 is 1943593802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870830 + ... + 3876209.

It is an arithmetic number, because the mean of its divisors is an integer number (2353163400).

Almost surely, 2^20839534910 is an apocalyptic number.

20839534910 is a deficient number, since it is larger than the sum of its proper divisors (16811079490).

20839534910 is a wasteful number, since it uses less digits than its factorization.

20839534910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747315.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 20839534910 in words is "twenty billion, eight hundred thirty-nine million, five hundred thirty-four thousand, nine hundred ten".