20345032142625 has 64 divisors (see below), whose sum is σ = 36119184761088. Its totient is φ = 10134450560000.

The previous prime is 20345032142573. The next prime is 20345032142639. The reversal of 20345032142625 is 52624123054302.

It is not a de Polignac number, because 20345032142625 - 2²³ = 20345023754017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11345706 + ... + 13015955.

It is an arithmetic number, because the mean of its divisors is an integer number (564362261892).

Almost surely, 2^{20345032142625} is an apocalyptic number.

20345032142625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20345032142625 is a deficient number, since it is larger than the sum of its proper divisors (15774152618463).

20345032142625 is a wasteful number, since it uses less digits than its factorization.

20345032142625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24361827 (or 24361817 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 20345032142625 its reverse (52624123054302), we get a palindrome (72969155196927).

The spelling of 20345032142625 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, one hundred forty-two thousand, six hundred twenty-five".