20052512104442 has 16 divisors (see below), whose sum is σ = 31683562375200. Its totient is φ = 9492048018000.

The previous prime is 20052512104397. The next prime is 20052512104447. The reversal of 20052512104442 is 24440121525002.

It is a super-2 number, since 2×20052512104442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20052512104399 and 20052512104408.

It is not an unprimeable number, because it can be changed into a prime (20052512104447) 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, 180786809 + ... + 180897692.

It is an arithmetic number, because the mean of its divisors is an integer number (1980222648450).

Almost surely, 2^{20052512104442} is an apocalyptic number.

20052512104442 is a deficient number, since it is larger than the sum of its proper divisors (11631050270758).

20052512104442 is a wasteful number, since it uses less digits than its factorization.

20052512104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361685981.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 20052512104442 its reverse (24440121525002), we get a palindrome (44492633629444).

The spelling of 20052512104442 in words is "twenty trillion, fifty-two billion, five hundred twelve million, one hundred four thousand, four hundred forty-two".