20004698843 has 2 divisors, whose sum is σ = 20004698844. Its totient is φ = 20004698842.

The previous prime is 20004698839. The next prime is 20004698849. The reversal of 20004698843 is 34889640002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20004698843 - 2² = 20004698839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20004698794 and 20004698803.

It is not a weakly prime, because it can be changed into another prime (20004698849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002349421 + 10002349422.

It is an arithmetic number, because the mean of its divisors is an integer number (10002349422).

Almost surely, 2^20004698843 is an apocalyptic number.

20004698843 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004698843 is an equidigital number, since it uses as much as digits as its factorization.

20004698843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 20004698843 in words is "twenty billion, four million, six hundred ninety-eight thousand, eight hundred forty-three".