20463276 has 12 divisors (see below), whose sum is σ = 47747672. Its totient is φ = 6821088.

The previous prime is 20463271. The next prime is 20463293. The reversal of 20463276 is 67236402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20463271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852625 + ... + 852648.

Almost surely, 2^20463276 is an apocalyptic number.

It is an amenable number.

20463276 is an abundant number, since it is smaller than the sum of its proper divisors (27284396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20463276 is a wasteful number, since it uses less digits than its factorization.

20463276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705280 (or 1705278 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 20463276 is about 4523.6352638116. The cubic root of 20463276 is about 273.5216581725.

Adding to 20463276 its reverse (67236402), we get a palindrome (87699678).

The spelling of 20463276 in words is "twenty million, four hundred sixty-three thousand, two hundred seventy-six".