20043748 has 12 divisors (see below), whose sum is σ = 37140012. Its totient is φ = 9432320.

The previous prime is 20043743. The next prime is 20043757. The reversal of 20043748 is 84734002.

It can be written as a sum of positive squares in 2 ways, for example, as 11505664 + 8538084 = 3392^2 + 2922^2 .

It is not an unprimeable number, because it can be changed into a prime (20043743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147313 + ... + 147448.

It is an arithmetic number, because the mean of its divisors is an integer number (3095001).

Almost surely, 2^20043748 is an apocalyptic number.

It is an amenable number.

20043748 is a deficient number, since it is larger than the sum of its proper divisors (17096264).

20043748 is a wasteful number, since it uses less digits than its factorization.

20043748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294782 (or 294780 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 20043748 is about 4477.0244582758. The cubic root of 20043748 is about 271.6395347630.

The spelling of 20043748 in words is "twenty million, forty-three thousand, seven hundred forty-eight".