20024134357073 has 64 divisors (see below), whose sum is σ = 26766284544000. Its totient is φ = 14508746956800.

The previous prime is 20024134357069. The next prime is 20024134357103. The reversal of 20024134357073 is 37075343142002.

It is a cyclic number.

It is not a de Polignac number, because 20024134357073 - 2² = 20024134357069 is a prime.

It is a super-2 number, since 2×20024134357073² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20024134357073.

It is not an unprimeable number, because it can be changed into a prime (20024134357013) 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, 55148243 + ... + 55510151.

It is an arithmetic number, because the mean of its divisors is an integer number (418223196000).

Almost surely, 2^{20024134357073} is an apocalyptic number.

It is an amenable number.

20024134357073 is a deficient number, since it is larger than the sum of its proper divisors (6742150186927).

20024134357073 is a wasteful number, since it uses less digits than its factorization.

20024134357073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362646.

The product of its (nonzero) digits is 423360, while the sum is 41.

Adding to 20024134357073 its reverse (37075343142002), we get a palindrome (57099477499075).

The spelling of 20024134357073 in words is "twenty trillion, twenty-four billion, one hundred thirty-four million, three hundred fifty-seven thousand, seventy-three".