20195632 has 40 divisors (see below), whose sum is σ = 42536960. Its totient is φ = 9253440.

The previous prime is 20195621. The next prime is 20195647. The reversal of 20195632 is 23659102.

It is a self number, because there is not a number n which added to its sum of digits gives 20195632.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8353 + ... + 10495.

It is an arithmetic number, because the mean of its divisors is an integer number (1063424).

Almost surely, 2^20195632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20195632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21268480).

20195632 is an abundant number, since it is smaller than the sum of its proper divisors (22341328).

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

20195632 is a wasteful number, since it uses less digits than its factorization.

20195632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 20195632 is about 4493.9550509546. The cubic root of 20195632 is about 272.3239364331.

The spelling of 20195632 in words is "twenty million, one hundred ninety-five thousand, six hundred thirty-two".