20263732 has 12 divisors (see below), whose sum is σ = 35604576. Its totient is φ = 10091000.

The previous prime is 20263729. The next prime is 20263741. The reversal of 20263732 is 23736202.

It is a junction number, because it is equal to n+sod(n) for n = 20263697 and 20263706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9088 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (2967048).

Almost surely, 2^20263732 is an apocalyptic number.

It is an amenable number.

20263732 is a deficient number, since it is larger than the sum of its proper divisors (15340844).

20263732 is a wasteful number, since it uses less digits than its factorization.

20263732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20438 (or 20436 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20263732 is about 4501.5255191990. The cubic root of 20263732 is about 272.6296866082.

Adding to 20263732 its reverse (23736202), we get a palindrome (43999934).

The spelling of 20263732 in words is "twenty million, two hundred sixty-three thousand, seven hundred thirty-two".