20233019 has 2 divisors, whose sum is σ = 20233020. Its totient is φ = 20233018.

The previous prime is 20233007. The next prime is 20233033. The reversal of 20233019 is 91033202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20233019 is a prime.

It is a super-2 number, since 2×20233019² = 818750115708722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20233069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116509 + 10116510.

It is an arithmetic number, because the mean of its divisors is an integer number (10116510).

Almost surely, 2^20233019 is an apocalyptic number.

20233019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233019 is an equidigital number, since it uses as much as digits as its factorization.

20233019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 20233019 is about 4498.1128265085. The cubic root of 20233019 is about 272.4918786683.

The spelling of 20233019 in words is "twenty million, two hundred thirty-three thousand, nineteen".