20934716 has 12 divisors (see below), whose sum is σ = 39966360. Its totient is φ = 9515760.

The previous prime is 20934709. The next prime is 20934731. The reversal of 20934716 is 61743902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237851 + ... + 237938.

It is an arithmetic number, because the mean of its divisors is an integer number (3330530).

Almost surely, 2^20934716 is an apocalyptic number.

It is an amenable number.

20934716 is a deficient number, since it is larger than the sum of its proper divisors (19031644).

20934716 is a wasteful number, since it uses less digits than its factorization.

20934716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475804 (or 475802 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20934716 is about 4575.4470819801. The cubic root of 20934716 is about 275.6062262534.

The spelling of 20934716 in words is "twenty million, nine hundred thirty-four thousand, seven hundred sixteen".