20263132 has 6 divisors (see below), whose sum is σ = 35460488. Its totient is φ = 10131564.

The previous prime is 20263123. The next prime is 20263153. The reversal of 20263132 is 23136202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532888 + ... + 2532895.

Almost surely, 2^20263132 is an apocalyptic number.

It is an amenable number.

20263132 is a deficient number, since it is larger than the sum of its proper divisors (15197356).

20263132 is a wasteful number, since it uses less digits than its factorization.

20263132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065787 (or 5065785 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20263132 is about 4501.4588746316. The cubic root of 20263132 is about 272.6269957675.

Adding to 20263132 its reverse (23136202), we get a palindrome (43399334).

The spelling of 20263132 in words is "twenty million, two hundred sixty-three thousand, one hundred thirty-two".