20826802703 has 8 divisors (see below), whose sum is σ = 24836932608. Its totient is φ = 17075390904.

The previous prime is 20826802693. The next prime is 20826802741. The reversal of 20826802703 is 30720862802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20826802703 - 2¹² = 20826798607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20826802753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64679351 + ... + 64679672.

It is an arithmetic number, because the mean of its divisors is an integer number (3104616576).

Almost surely, 2^20826802703 is an apocalyptic number.

20826802703 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20826802703 is a deficient number, since it is larger than the sum of its proper divisors (4010129905).

20826802703 is a wasteful number, since it uses less digits than its factorization.

20826802703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129359053.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 20826802703 in words is "twenty billion, eight hundred twenty-six million, eight hundred two thousand, seven hundred three".