20023276 has 24 divisors (see below), whose sum is σ = 43127840. Its totient is φ = 7921152.

The previous prime is 20023273. The next prime is 20023279. The reversal of 20023276 is 67232002.

It is an interprime number because it is at equal distance from previous prime (20023273) and next prime (20023279).

It is not an unprimeable number, because it can be changed into a prime (20023273) 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 7 ways as a sum of consecutive naturals, for example, 27141 + ... + 27868.

Almost surely, 2^20023276 is an apocalyptic number.

20023276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20023276 is an abundant number, since it is smaller than the sum of its proper divisors (23104564).

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

20023276 is a wasteful number, since it uses less digits than its factorization.

20023276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55033 (or 55031 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20023276 is about 4474.7375342024. The cubic root of 20023276 is about 271.5470221434.

Adding to 20023276 its reverse (67232002), we get a palindrome (87255278).

The spelling of 20023276 in words is "twenty million, twenty-three thousand, two hundred seventy-six".