20020299 has 8 divisors (see below), whose sum is σ = 28747152. Its totient is φ = 12320160.

The previous prime is 20020291. The next prime is 20020303. The reversal of 20020299 is 99202002.

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

It is not a de Polignac number, because 20020299 - 2³ = 20020291 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20020291) 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, 256632 + ... + 256709.

It is an arithmetic number, because the mean of its divisors is an integer number (3593394).

Almost surely, 2^20020299 is an apocalyptic number.

20020299 is a deficient number, since it is larger than the sum of its proper divisors (8726853).

20020299 is a wasteful number, since it uses less digits than its factorization.

20020299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513357.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 20020299 is about 4474.4048766288. The cubic root of 20020299 is about 271.5335638803.

The spelling of 20020299 in words is "twenty million, twenty thousand, two hundred ninety-nine".