20910316 has 12 divisors (see below), whose sum is σ = 41820688. Its totient is φ = 8961552.

The previous prime is 20910301. The next prime is 20910343. The reversal of 20910316 is 61301902.

20910316 is an admirable 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, 373371 + ... + 373426.

Almost surely, 2^20910316 is an apocalyptic number.

It is an amenable number.

20910316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20910316 is a wasteful number, since it uses less digits than its factorization.

20910316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746808 (or 746806 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 20910316 is about 4572.7798984863. The cubic root of 20910316 is about 275.4991090251.

The spelling of 20910316 in words is "twenty million, nine hundred ten thousand, three hundred sixteen".