20244276 has 48 divisors (see below), whose sum is σ = 56526400. Its totient is φ = 6228576.

The previous prime is 20244269. The next prime is 20244277. The reversal of 20244276 is 67244202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244277) 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 15 ways as a sum of consecutive naturals, for example, 5806 + ... + 8613.

Almost surely, 2^20244276 is an apocalyptic number.

20244276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20244276 is an abundant number, since it is smaller than the sum of its proper divisors (36282124).

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

20244276 is a wasteful number, since it uses less digits than its factorization.

20244276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445 (or 14437 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 20244276 is about 4499.3639550496. The cubic root of 20244276 is about 272.5424045336.

Adding to 20244276 its reverse (67244202), we get a palindrome (87488478).

The spelling of 20244276 in words is "twenty million, two hundred forty-four thousand, two hundred seventy-six".