20498033 has 2 divisors, whose sum is σ = 20498034. Its totient is φ = 20498032.

The previous prime is 20498003. The next prime is 20498059. The reversal of 20498033 is 33089402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14961424 + 5536609 = 3868^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 20498033 - 2¹⁴ = 20481649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20497987 and 20498005.

It is not a weakly prime, because it can be changed into another prime (20498003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10249016 + 10249017.

It is an arithmetic number, because the mean of its divisors is an integer number (10249017).

Almost surely, 2^20498033 is an apocalyptic number.

It is an amenable number.

20498033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20498033 is an equidigital number, since it uses as much as digits as its factorization.

20498033 is an evil number, because the sum of its binary digits is even.

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

The square root of 20498033 is about 4527.4753450461. The cubic root of 20498033 is about 273.6764299842.

The spelling of 20498033 in words is "twenty million, four hundred ninety-eight thousand, thirty-three".