20065516 has 6 divisors (see below), whose sum is σ = 35114660. Its totient is φ = 10032756.

The previous prime is 20065489. The next prime is 20065531. The reversal of 20065516 is 61556002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508186 + ... + 2508193.

Almost surely, 2^20065516 is an apocalyptic number.

It is an amenable number.

20065516 is a deficient number, since it is larger than the sum of its proper divisors (15049144).

20065516 is a wasteful number, since it uses less digits than its factorization.

20065516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016383 (or 5016381 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 20065516 is about 4479.4548775493. The cubic root of 20065516 is about 271.7378349098.

The spelling of 20065516 in words is "twenty million, sixty-five thousand, five hundred sixteen".