20046841 has 2 divisors, whose sum is σ = 20046842. Its totient is φ = 20046840.

The previous prime is 20046839. The next prime is 20046913. The reversal of 20046841 is 14864002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13395600 + 6651241 = 3660^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 20046841 - 2¹ = 20046839 is a prime.

Together with 20046839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20044841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10023420 + 10023421.

It is an arithmetic number, because the mean of its divisors is an integer number (10023421).

Almost surely, 2^20046841 is an apocalyptic number.

It is an amenable number.

20046841 is a deficient number, since it is larger than the sum of its proper divisors (1).

20046841 is an equidigital number, since it uses as much as digits as its factorization.

20046841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20046841 is about 4477.3698752728. The cubic root of 20046841 is about 271.6535064991.

The spelling of 20046841 in words is "twenty million, forty-six thousand, eight hundred forty-one".