20441534 has 8 divisors (see below), whose sum is σ = 31410288. Its totient is φ = 9971440.

The previous prime is 20441471. The next prime is 20441563. The reversal of 20441534 is 43514402.

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

It is a super-3 number, since 3×20441534³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124562 + ... + 124725.

It is an arithmetic number, because the mean of its divisors is an integer number (3926286).

Almost surely, 2^20441534 is an apocalyptic number.

20441534 is a deficient number, since it is larger than the sum of its proper divisors (10968754).

20441534 is a wasteful number, since it uses less digits than its factorization.

20441534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249330.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20441534 is about 4521.2314694118. The cubic root of 20441534 is about 273.4247526183.

Adding to 20441534 its reverse (43514402), we get a palindrome (63955936).

The spelling of 20441534 in words is "twenty million, four hundred forty-one thousand, five hundred thirty-four".