20003044211131 has 16 divisors (see below), whose sum is σ = 20911801494528. Its totient is φ = 19097559280800.

The previous prime is 20003044211113. The next prime is 20003044211147. The reversal of 20003044211131 is 13111244030002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003044211131 is a prime.

It is a super-2 number, since 2×20003044211131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003044215131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50991961 + ... + 51382741.

It is an arithmetic number, because the mean of its divisors is an integer number (1306987593408).

Almost surely, 2^{20003044211131} is an apocalyptic number.

20003044211131 is a deficient number, since it is larger than the sum of its proper divisors (908757283397).

20003044211131 is a wasteful number, since it uses less digits than its factorization.

20003044211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394962.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20003044211131 its reverse (13111244030002), we get a palindrome (33114288241133).

The spelling of 20003044211131 in words is "twenty trillion, three billion, forty-four million, two hundred eleven thousand, one hundred thirty-one".