20086632 has 24 divisors (see below), whose sum is σ = 54401490. Its totient is φ = 6695520.

The previous prime is 20086631. The next prime is 20086637. The reversal of 20086632 is 23668002.

20086632 is a `hidden beast` number, since 20 + 0 + 8 + 6 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18198756 + 1887876 = 4266^2 + 1374^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20086596 and 20086605.

It is not an unprimeable number, because it can be changed into a prime (20086631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139419 + ... + 139562.

Almost surely, 2^20086632 is an apocalyptic number.

It is an amenable number.

20086632 is an abundant number, since it is smaller than the sum of its proper divisors (34314858).

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

20086632 is a wasteful number, since it uses less digits than its factorization.

20086632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278993 (or 278986 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20086632 is about 4481.8112410051. The cubic root of 20086632 is about 271.8331228405.

The spelling of 20086632 in words is "twenty million, eighty-six thousand, six hundred thirty-two".