20346401510325 has 72 divisors (see below), whose sum is σ = 40202328404160. Its totient is φ = 9754080019200.

The previous prime is 20346401510263. The next prime is 20346401510363. The reversal of 20346401510325 is 52301510464302.

20346401510325 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 640 + 1 + 5 + 1 + 0 + 3 + 2 + 5 = 666.

It is not a de Polignac number, because 20346401510325 - 2⁶ = 20346401510261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20346401510325.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 45963817 + ... + 46404366.

It is an arithmetic number, because the mean of its divisors is an integer number (558365672280).

Almost surely, 2^{20346401510325} is an apocalyptic number.

20346401510325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20346401510325 is a deficient number, since it is larger than the sum of its proper divisors (19855926893835).

20346401510325 is a wasteful number, since it uses less digits than its factorization.

20346401510325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92368299 (or 92368291 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 20346401510325 its reverse (52301510464302), we get a palindrome (72647911974627).

The spelling of 20346401510325 in words is "twenty trillion, three hundred forty-six billion, four hundred one million, five hundred ten thousand, three hundred twenty-five".