20802098344 has 16 divisors (see below), whose sum is σ = 40348898100. Its totient is φ = 10042392192.

The previous prime is 20802098341. The next prime is 20802098393. The reversal of 20802098344 is 44389020802.

It can be written as a sum of positive squares in 2 ways, for example, as 20761928100 + 40170244 = 144090^2 + 6338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20802098297 and 20802098306.

It is not an unprimeable number, because it can be changed into a prime (20802098341) 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 3 ways as a sum of consecutive naturals, for example, 44831877 + ... + 44832340.

Almost surely, 2^20802098344 is an apocalyptic number.

It is an amenable number.

20802098344 is a deficient number, since it is larger than the sum of its proper divisors (19546799756).

20802098344 is a wasteful number, since it uses less digits than its factorization.

20802098344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89664252 (or 89664248 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 20802098344 in words is "twenty billion, eight hundred two million, ninety-eight thousand, three hundred forty-four".