20013140361135 has 64 divisors (see below), whose sum is σ = 35306017274880. Its totient is φ = 9635169331200.

The previous prime is 20013140361133. The next prime is 20013140361163. The reversal of 20013140361135 is 53116304131002.

It is not a de Polignac number, because 20013140361135 - 2¹ = 20013140361133 is a prime.

It is a super-2 number, since 2×20013140361135² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013140361133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7844637 + ... + 10077926.

It is an arithmetic number, because the mean of its divisors is an integer number (551656519920).

Almost surely, 2^{20013140361135} is an apocalyptic number.

20013140361135 is a deficient number, since it is larger than the sum of its proper divisors (15292876913745).

20013140361135 is a wasteful number, since it uses less digits than its factorization.

20013140361135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17922768.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 20013140361135 its reverse (53116304131002), we get a palindrome (73129444492137).

The spelling of 20013140361135 in words is "twenty trillion, thirteen billion, one hundred forty million, three hundred sixty-one thousand, one hundred thirty-five".