20441023011 has 12 divisors (see below), whose sum is σ = 29540261088. Its totient is φ = 13620730704.

The previous prime is 20441022937. The next prime is 20441023021. The reversal of 20441023011 is 11032014402.

20441023011 is a `hidden beast` number, since 20 + 4 + 410 + 230 + 1 + 1 = 666.

It is not a de Polignac number, because 20441023011 - 2⁹ = 20441022499 is a prime.

It is a super-2 number, since 2×20441023011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20441023021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531900 + ... + 569033.

It is an arithmetic number, because the mean of its divisors is an integer number (2461688424).

Almost surely, 2^20441023011 is an apocalyptic number.

20441023011 is a deficient number, since it is larger than the sum of its proper divisors (9099238077).

20441023011 is a wasteful number, since it uses less digits than its factorization.

20441023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103002 (or 1102999 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20441023011 its reverse (11032014402), we get a palindrome (31473037413).

The spelling of 20441023011 in words is "twenty billion, four hundred forty-one million, twenty-three thousand, eleven".