20209298 has 8 divisors (see below), whose sum is σ = 30741120. Its totient is φ = 9962260.

The previous prime is 20209297. The next prime is 20209337. The reversal of 20209298 is 89290202.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20209291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71018 + ... + 71301.

It is an arithmetic number, because the mean of its divisors is an integer number (3842640).

Almost surely, 2^20209298 is an apocalyptic number.

20209298 is a deficient number, since it is larger than the sum of its proper divisors (10531822).

20209298 is a wasteful number, since it uses less digits than its factorization.

20209298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142392.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 20209298 is about 4495.4752807684. The cubic root of 20209298 is about 272.3853480590.

The spelling of 20209298 in words is "twenty million, two hundred nine thousand, two hundred ninety-eight".