20203514342205 has 16 divisors (see below), whose sum is σ = 32326144386624. Its totient is φ = 10775033836160.

The previous prime is 20203514342183. The next prime is 20203514342257. The reversal of 20203514342205 is 50224341530202.

It is not a de Polignac number, because 20203514342205 - 2²¹ = 20203512245053 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9899664 + ... + 11764793.

It is an arithmetic number, because the mean of its divisors is an integer number (2020384024164).

Almost surely, 2^{20203514342205} is an apocalyptic number.

It is an amenable number.

20203514342205 is a deficient number, since it is larger than the sum of its proper divisors (12122630044419).

20203514342205 is a wasteful number, since it uses less digits than its factorization.

20203514342205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21726636.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 20203514342205 its reverse (50224341530202), we get a palindrome (70427855872407).

The spelling of 20203514342205 in words is "twenty trillion, two hundred three billion, five hundred fourteen million, three hundred forty-two thousand, two hundred five".