20004932 has 6 divisors (see below), whose sum is σ = 35008638. Its totient is φ = 10002464.

The previous prime is 20004931. The next prime is 20004947. The reversal of 20004932 is 23940002.

It can be written as a sum of positive squares in only one way, i.e., 19855936 + 148996 = 4456^2 + 386^2 .

It is not an unprimeable number, because it can be changed into a prime (20004931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500613 + ... + 2500620.

It is an arithmetic number, because the mean of its divisors is an integer number (5834773).

Almost surely, 2^20004932 is an apocalyptic number.

It is an amenable number.

20004932 is a deficient number, since it is larger than the sum of its proper divisors (15003706).

20004932 is a wasteful number, since it uses less digits than its factorization.

20004932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001237 (or 5001235 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20004932 is about 4472.6873353723. The cubic root of 20004932 is about 271.4640723385.

Adding to 20004932 its reverse (23940002), we get a palindrome (43944934).

The spelling of 20004932 in words is "twenty million, four thousand, nine hundred thirty-two".