20011232 has 12 divisors (see below), whose sum is σ = 39397176. Its totient is φ = 10005600.

The previous prime is 20011177. The next prime is 20011249. The reversal of 20011232 is 23211002.

It is a happy number.

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, 312644 + ... + 312707.

It is an arithmetic number, because the mean of its divisors is an integer number (3283098).

Almost surely, 2^20011232 is an apocalyptic number.

It is an amenable number.

20011232 is a deficient number, since it is larger than the sum of its proper divisors (19385944).

20011232 is an equidigital number, since it uses as much as digits as its factorization.

20011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625361 (or 625353 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20011232 is about 4473.3915545143. The cubic root of 20011232 is about 271.4925660479.

Adding to 20011232 its reverse (23211002), we get a palindrome (43222234).

The spelling of 20011232 in words is "twenty million, eleven thousand, two hundred thirty-two".