20000244 has 24 divisors (see below), whose sum is σ = 50910048. Its totient is φ = 6060640.

The previous prime is 20000243. The next prime is 20000269. The reversal of 20000244 is 44200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000243) 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, 75627 + ... + 75890.

It is an arithmetic number, because the mean of its divisors is an integer number (2121252).

Almost surely, 2^20000244 is an apocalyptic number.

It is an amenable number.

20000244 is an abundant number, since it is smaller than the sum of its proper divisors (30909804).

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

20000244 is a wasteful number, since it uses less digits than its factorization.

20000244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151535 (or 151533 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 20000244 is about 4472.1632349457. The cubic root of 20000244 is about 271.4428655182.

Adding to 20000244 its reverse (44200002), we get a palindrome (64200246).

It can be divided in two parts, 200002 and 44, that multiplied together give a palindrome (8800088).

The spelling of 20000244 in words is "twenty million, two hundred forty-four", and thus it is an aban number.