20790316 has 12 divisors (see below), whose sum is σ = 36441832. Its totient is φ = 10378368.

The previous prime is 20790299. The next prime is 20790317. The reversal of 20790316 is 61309702.

It is not an unprimeable number, because it can be changed into a prime (20790317) 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 3 ways as a sum of consecutive naturals, for example, 1170 + ... + 6553.

Almost surely, 2^20790316 is an apocalyptic number.

It is an amenable number.

20790316 is a deficient number, since it is larger than the sum of its proper divisors (15651516).

20790316 is a wasteful number, since it uses less digits than its factorization.

20790316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400 (or 8398 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 20790316 is about 4559.6398980621. The cubic root of 20790316 is about 274.9710867674.

The spelling of 20790316 in words is "twenty million, seven hundred ninety thousand, three hundred sixteen".