20298833 has 8 divisors (see below), whose sum is σ = 21598560. Its totient is φ = 19010880.

The previous prime is 20298827. The next prime is 20298851. The reversal of 20298833 is 33889202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20298833 - 2¹⁸ = 20036689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20298793 and 20298802.

It is not an unprimeable number, because it can be changed into a prime (20298823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (2699820).

Almost surely, 2^20298833 is an apocalyptic number.

It is an amenable number.

20298833 is a deficient number, since it is larger than the sum of its proper divisors (1299727).

20298833 is a wasteful number, since it uses less digits than its factorization.

20298833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 20298833 is about 4505.4226216860. The cubic root of 20298833 is about 272.7870129165.

The spelling of 20298833 in words is "twenty million, two hundred ninety-eight thousand, eight hundred thirty-three".