20046828 has 12 divisors (see below), whose sum is σ = 46775960. Its totient is φ = 6682272.

The previous prime is 20046809. The next prime is 20046833. The reversal of 20046828 is 82864002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20046795 and 20046804.

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, 835273 + ... + 835296.

Almost surely, 2^20046828 is an apocalyptic number.

It is an amenable number.

20046828 is an abundant number, since it is smaller than the sum of its proper divisors (26729132).

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

20046828 is a wasteful number, since it uses less digits than its factorization.

20046828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670576 (or 1670574 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20046828 is about 4477.3684235274. The cubic root of 20046828 is about 271.6534477783.

The spelling of 20046828 in words is "twenty million, forty-six thousand, eight hundred twenty-eight".