20011444413 has 32 divisors (see below), whose sum is σ = 29302560000. Its totient is φ = 12095769600.

The previous prime is 20011444363. The next prime is 20011444429. The reversal of 20011444413 is 31444411002.

It is not a de Polignac number, because 20011444413 - 2¹⁷ = 20011313341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011444463) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 138088 + ... + 243086.

It is an arithmetic number, because the mean of its divisors is an integer number (915705000).

Almost surely, 2^20011444413 is an apocalyptic number.

It is an amenable number.

20011444413 is a deficient number, since it is larger than the sum of its proper divisors (9291115587).

20011444413 is a wasteful number, since it uses less digits than its factorization.

20011444413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105157.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20011444413 its reverse (31444411002), we get a palindrome (51455855415).

The spelling of 20011444413 in words is "twenty billion, eleven million, four hundred forty-four thousand, four hundred thirteen".