20041244511 has 8 divisors (see below), whose sum is σ = 27883470720. Its totient is φ = 12779923992.

The previous prime is 20041244507. The next prime is 20041244521. The reversal of 20041244511 is 11544214002.

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

It is not a de Polignac number, because 20041244511 - 2² = 20041244507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041244501) 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, 145226341 + ... + 145226478.

It is an arithmetic number, because the mean of its divisors is an integer number (3485433840).

Almost surely, 2^20041244511 is an apocalyptic number.

20041244511 is a deficient number, since it is larger than the sum of its proper divisors (7842226209).

20041244511 is a wasteful number, since it uses less digits than its factorization.

20041244511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290452845.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 20041244511 its reverse (11544214002), we get a palindrome (31585458513).

The spelling of 20041244511 in words is "twenty billion, forty-one million, two hundred forty-four thousand, five hundred eleven".