20345203300135 has 24 divisors (see below), whose sum is σ = 29092931841456. Its totient is φ = 13610728333440.

The previous prime is 20345203300127. The next prime is 20345203300153. The reversal of 20345203300135 is 53100330254302.

It is not a de Polignac number, because 20345203300135 - 2³ = 20345203300127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20345203300097 and 20345203300106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1012692957 + ... + 1012713046.

It is an arithmetic number, because the mean of its divisors is an integer number (1212205493394).

Almost surely, 2^{20345203300135} is an apocalyptic number.

20345203300135 is a deficient number, since it is larger than the sum of its proper divisors (8747728541321).

20345203300135 is a wasteful number, since it uses less digits than its factorization.

20345203300135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025406063 (or 2025406056 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 20345203300135 its reverse (53100330254302), we get a palindrome (73445533554437).

The spelling of 20345203300135 in words is "twenty trillion, three hundred forty-five billion, two hundred three million, three hundred thousand, one hundred thirty-five".