20135342310125 has 64 divisors (see below), whose sum is σ = 29803981708800. Its totient is φ = 13288389004800.

The previous prime is 20135342310107. The next prime is 20135342310131. The reversal of 20135342310125 is 52101324353102.

It is not a de Polignac number, because 20135342310125 - 2¹² = 20135342306029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20135342310091 and 20135342310100.

It is a congruent number.

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, 6674786 + ... + 9209964.

It is an arithmetic number, because the mean of its divisors is an integer number (465687214200).

Almost surely, 2^{20135342310125} is an apocalyptic number.

20135342310125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20135342310125 is a deficient number, since it is larger than the sum of its proper divisors (9668639398675).

20135342310125 is a wasteful number, since it uses less digits than its factorization.

20135342310125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535543 (or 2535533 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 20135342310125 its reverse (52101324353102), we get a palindrome (72236666663227).

The spelling of 20135342310125 in words is "twenty trillion, one hundred thirty-five billion, three hundred forty-two million, three hundred ten thousand, one hundred twenty-five".