20342445320104 has 16 divisors (see below), whose sum is σ = 38519729382420. Its totient is φ = 10070517484800.

The previous prime is 20342445320101. The next prime is 20342445320167. The reversal of 20342445320104 is 40102354424302.

It can be written as a sum of positive squares in 2 ways, for example, as 14268675212100 + 6073770108004 = 3777390^2 + 2464502^2 .

It is a super-3 number, since 3×20342445320104³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20342445320104.

It is not an unprimeable number, because it can be changed into a prime (20342445320101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12588146049 + ... + 12588147664.

Almost surely, 2^{20342445320104} is an apocalyptic number.

It is an amenable number.

20342445320104 is a deficient number, since it is larger than the sum of its proper divisors (18177284062316).

20342445320104 is a wasteful number, since it uses less digits than its factorization.

20342445320104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25176293820 (or 25176293816 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 20342445320104 its reverse (40102354424302), we get a palindrome (60444799744406).

The spelling of 20342445320104 in words is "twenty trillion, three hundred forty-two billion, four hundred forty-five million, three hundred twenty thousand, one hundred four".