20706468 has 12 divisors (see below), whose sum is σ = 48315120. Its totient is φ = 6902152.

The previous prime is 20706457. The next prime is 20706503. The reversal of 20706468 is 86460702.

It is a tau number, because it is divible by the number of its divisors (12).

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, 862758 + ... + 862781.

It is an arithmetic number, because the mean of its divisors is an integer number (4026260).

Almost surely, 2^20706468 is an apocalyptic number.

It is an amenable number.

20706468 is an abundant number, since it is smaller than the sum of its proper divisors (27608652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20706468 is a wasteful number, since it uses less digits than its factorization.

20706468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725546 (or 1725544 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 20706468 is about 4550.4360230642. The cubic root of 20706468 is about 274.6009330187.

The spelling of 20706468 in words is "twenty million, seven hundred six thousand, four hundred sixty-eight".