20297302 has 8 divisors (see below), whose sum is σ = 30530016. Its totient is φ = 10120632.

The previous prime is 20297287. The next prime is 20297309. The reversal of 20297302 is 20379202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20297309) 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, 13093 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (3816252).

Almost surely, 2^20297302 is an apocalyptic number.

20297302 is a deficient number, since it is larger than the sum of its proper divisors (10232714).

20297302 is a wasteful number, since it uses less digits than its factorization.

20297302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28022.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20297302 is about 4505.2527121128. The cubic root of 20297302 is about 272.7801546008.

The spelling of 20297302 in words is "twenty million, two hundred ninety-seven thousand, three hundred two".