20049833 has 2 divisors, whose sum is σ = 20049834. Its totient is φ = 20049832.

The previous prime is 20049829. The next prime is 20049881. The reversal of 20049833 is 33894002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19430464 + 619369 = 4408^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 20049833 - 2² = 20049829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20049796 and 20049805.

It is not a weakly prime, because it can be changed into another prime (20049233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024916 + 10024917.

It is an arithmetic number, because the mean of its divisors is an integer number (10024917).

Almost surely, 2^20049833 is an apocalyptic number.

It is an amenable number.

20049833 is a deficient number, since it is larger than the sum of its proper divisors (1).

20049833 is an equidigital number, since it uses as much as digits as its factorization.

20049833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20049833 is about 4477.7039875365. The cubic root of 20049833 is about 271.6670206293.

The spelling of 20049833 in words is "twenty million, forty-nine thousand, eight hundred thirty-three".