20711468 has 12 divisors (see below), whose sum is σ = 36446592. Its totient is φ = 10298160.

The previous prime is 20711459. The next prime is 20711473. The reversal of 20711468 is 86411702.

It is a self number, because there is not a number n which added to its sum of digits gives 20711468.

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, 13580 + ... + 15027.

It is an arithmetic number, because the mean of its divisors is an integer number (3037216).

Almost surely, 2^20711468 is an apocalyptic number.

It is an amenable number.

20711468 is a deficient number, since it is larger than the sum of its proper divisors (15735124).

20711468 is a wasteful number, since it uses less digits than its factorization.

20711468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28792 (or 28790 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 20711468 is about 4550.9853878034. The cubic root of 20711468 is about 274.6230339096.

The spelling of 20711468 in words is "twenty million, seven hundred eleven thousand, four hundred sixty-eight".