20466528 has 24 divisors (see below), whose sum is σ = 53724888. Its totient is φ = 6822144.

The previous prime is 20466497. The next prime is 20466577. The reversal of 20466528 is 82566402.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 106501 + ... + 106692.

It is an arithmetic number, because the mean of its divisors is an integer number (2238537).

Almost surely, 2^20466528 is an apocalyptic number.

It is an amenable number.

20466528 is an abundant number, since it is smaller than the sum of its proper divisors (33258360).

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

20466528 is a wasteful number, since it uses less digits than its factorization.

20466528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213206 (or 213198 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 20466528 is about 4523.9946949571. The cubic root of 20466528 is about 273.5361466529.

The spelling of 20466528 in words is "twenty million, four hundred sixty-six thousand, five hundred twenty-eight".