20927316 has 24 divisors (see below), whose sum is σ = 49561120. Its totient is φ = 6871392.

The previous prime is 20927293. The next prime is 20927317. The reversal of 20927316 is 61372902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20927317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12211 + ... + 13818.

Almost surely, 2^20927316 is an apocalyptic number.

It is an amenable number.

20927316 is an abundant number, since it is smaller than the sum of its proper divisors (28633804).

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

20927316 is a wasteful number, since it uses less digits than its factorization.

20927316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26103 (or 26101 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20927316 is about 4574.6383463614. The cubic root of 20927316 is about 275.5737486784.

The spelling of 20927316 in words is "twenty million, nine hundred twenty-seven thousand, three hundred sixteen".