20940302 has 8 divisors (see below), whose sum is σ = 31522296. Its totient is φ = 10432872.

The previous prime is 20940289. The next prime is 20940329. The reversal of 20940302 is 20304902.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17933 + ... + 19064.

It is an arithmetic number, because the mean of its divisors is an integer number (3940287).

Almost surely, 2^20940302 is an apocalyptic number.

20940302 is a deficient number, since it is larger than the sum of its proper divisors (10581994).

20940302 is a wasteful number, since it uses less digits than its factorization.

20940302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37282.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20940302 is about 4576.0574734153. The cubic root of 20940302 is about 275.6307373648.

The spelling of 20940302 in words is "twenty million, nine hundred forty thousand, three hundred two".