20013932 has 6 divisors (see below), whose sum is σ = 35024388. Its totient is φ = 10006964.

The previous prime is 20013893. The next prime is 20013937. The reversal of 20013932 is 23931002.

It is not an unprimeable number, because it can be changed into a prime (20013937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501738 + ... + 2501745.

It is an arithmetic number, because the mean of its divisors is an integer number (5837398).

Almost surely, 2^20013932 is an apocalyptic number.

It is an amenable number.

20013932 is a deficient number, since it is larger than the sum of its proper divisors (15010456).

20013932 is a wasteful number, since it uses less digits than its factorization.

20013932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003487 (or 5003485 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 20013932 is about 4473.6933287833. The cubic root of 20013932 is about 271.5047758069.

Adding to 20013932 its reverse (23931002), we get a palindrome (43944934).

The spelling of 20013932 in words is "twenty million, thirteen thousand, nine hundred thirty-two".