20946116 has 12 divisors (see below), whose sum is σ = 36899520. Its totient is φ = 10403400.

The previous prime is 20946103. The next prime is 20946127. The reversal of 20946116 is 61164902.

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, 16736 + ... + 17943.

It is an arithmetic number, because the mean of its divisors is an integer number (3074960).

Almost surely, 2^20946116 is an apocalyptic number.

It is an amenable number.

20946116 is a deficient number, since it is larger than the sum of its proper divisors (15953404).

20946116 is a wasteful number, since it uses less digits than its factorization.

20946116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34834 (or 34832 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20946116 is about 4576.6926923271. The cubic root of 20946116 is about 275.6562443006.

The spelling of 20946116 in words is "twenty million, nine hundred forty-six thousand, one hundred sixteen".