20432826 has 24 divisors (see below), whose sum is σ = 45302400. Its totient is φ = 6652296.

The previous prime is 20432803. The next prime is 20432851. The reversal of 20432826 is 62823402.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20432826.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12426 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (1887600).

Almost surely, 2^20432826 is an apocalyptic number.

20432826 is an abundant number, since it is smaller than the sum of its proper divisors (24869574).

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

20432826 is a wasteful number, since it uses less digits than its factorization.

20432826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26450 (or 26447 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20432826 is about 4520.2683548657. The cubic root of 20432826 is about 273.3859212057.

The spelling of 20432826 in words is "twenty million, four hundred thirty-two thousand, eight hundred twenty-six".