20332276 has 24 divisors (see below), whose sum is σ = 37747584. Its totient is φ = 9562080.

The previous prime is 20332271. The next prime is 20332283. The reversal of 20332276 is 67223302.

It is a self number, because there is not a number n which added to its sum of digits gives 20332276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801 + ... + 7423.

It is an arithmetic number, because the mean of its divisors is an integer number (1572816).

Almost surely, 2^20332276 is an apocalyptic number.

It is an amenable number.

20332276 is a deficient number, since it is larger than the sum of its proper divisors (17415308).

20332276 is a wasteful number, since it uses less digits than its factorization.

20332276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3709 counting only the distinct ones).

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

The square root of 20332276 is about 4509.1325108052. The cubic root of 20332276 is about 272.9367392678.

Adding to 20332276 its reverse (67223302), we get a palindrome (87555578).

The spelling of 20332276 in words is "twenty million, three hundred thirty-two thousand, two hundred seventy-six".