20540364253124 has 24 divisors (see below), whose sum is σ = 40063249164960. Its totient is φ = 9157314093696.

The previous prime is 20540364253117. The next prime is 20540364253127. The reversal of 20540364253124 is 42135246304502.

It is not an unprimeable number, because it can be changed into a prime (20540364253127) 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, 7949056082 + ... + 7949058665.

It is an arithmetic number, because the mean of its divisors is an integer number (1669302048540).

Almost surely, 2^{20540364253124} is an apocalyptic number.

It is an amenable number.

20540364253124 is a deficient number, since it is larger than the sum of its proper divisors (19522884911836).

20540364253124 is a wasteful number, since it uses less digits than its factorization.

20540364253124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15898114787 (or 15898114785 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 20540364253124 in words is "twenty trillion, five hundred forty billion, three hundred sixty-four million, two hundred fifty-three thousand, one hundred twenty-four".