20444043 has 8 divisors (see below), whose sum is σ = 28198800. Its totient is φ = 13159328.

The previous prime is 20444027. The next prime is 20444059. The reversal of 20444043 is 34044402.

It is an interprime number because it is at equal distance from previous prime (20444027) and next prime (20444059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20444043 - 2⁴ = 20444027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20444023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117408 + ... + 117581.

It is an arithmetic number, because the mean of its divisors is an integer number (3524850).

Almost surely, 2^20444043 is an apocalyptic number.

20444043 is a deficient number, since it is larger than the sum of its proper divisors (7754757).

20444043 is a wasteful number, since it uses less digits than its factorization.

20444043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235021.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 20444043 is about 4521.5089295500. The cubic root of 20444043 is about 273.4359389059.

Adding to 20444043 its reverse (34044402), we get a palindrome (54488445).

The spelling of 20444043 in words is "twenty million, four hundred forty-four thousand, forty-three".