19700033 has 2 divisors, whose sum is σ = 19700034. Its totient is φ = 19700032.

The previous prime is 19700027. The next prime is 19700069. The reversal of 19700033 is 33000791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18079504 + 1620529 = 4252^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 19700033 - 2⁶ = 19699969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19699981 and 19700008.

It is not a weakly prime, because it can be changed into another prime (19700633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9850016 + 9850017.

It is an arithmetic number, because the mean of its divisors is an integer number (9850017).

Almost surely, 2^19700033 is an apocalyptic number.

It is an amenable number.

19700033 is a deficient number, since it is larger than the sum of its proper divisors (1).

19700033 is an equidigital number, since it uses as much as digits as its factorization.

19700033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 19700033 is about 4438.4719217316. The cubic root of 19700033 is about 270.0778604897.

The spelling of 19700033 in words is "nineteen million, seven hundred thousand, thirty-three".