20346512613625 has 16 divisors (see below), whose sum is σ = 27700852083840. Its totient is φ = 14797463718000.

The previous prime is 20346512613619. The next prime is 20346512613659. The reversal of 20346512613625 is 52631621564302.

It is not a de Polignac number, because 20346512613625 - 2¹¹ = 20346512611577 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7398730485 + ... + 7398733234.

It is an arithmetic number, because the mean of its divisors is an integer number (1731303255240).

Almost surely, 2^{20346512613625} is an apocalyptic number.

20346512613625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20346512613625 is a deficient number, since it is larger than the sum of its proper divisors (7354339470215).

20346512613625 is a wasteful number, since it uses less digits than its factorization.

20346512613625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797463745 (or 14797463735 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 20346512613625 in words is "twenty trillion, three hundred forty-six billion, five hundred twelve million, six hundred thirteen thousand, six hundred twenty-five".