20963468 has 6 divisors (see below), whose sum is σ = 36686076. Its totient is φ = 10481732.

The previous prime is 20963417. The next prime is 20963473. The reversal of 20963468 is 86436902.

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 as a sum of consecutive naturals, namely, 2620430 + ... + 2620437.

It is an arithmetic number, because the mean of its divisors is an integer number (6114346).

Almost surely, 2^20963468 is an apocalyptic number.

It is an amenable number.

20963468 is a deficient number, since it is larger than the sum of its proper divisors (15722608).

20963468 is a wasteful number, since it uses less digits than its factorization.

20963468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240871 (or 5240869 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 20963468 is about 4578.5879919469. The cubic root of 20963468 is about 275.7323422105.

The spelling of 20963468 in words is "twenty million, nine hundred sixty-three thousand, four hundred sixty-eight".