20325031145135 has 8 divisors (see below), whose sum is σ = 24400298237136. Its totient is φ = 16253184340800.

The previous prime is 20325031145129. The next prime is 20325031145141. The reversal of 20325031145135 is 53154113052302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20325031145129) and next prime (20325031145141).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20325031145135 - 2¹⁴ = 20325031128751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20325031145095 and 20325031145104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855058841 + ... + 855082610.

It is an arithmetic number, because the mean of its divisors is an integer number (3050037279642).

Almost surely, 2^{20325031145135} is an apocalyptic number.

20325031145135 is a deficient number, since it is larger than the sum of its proper divisors (4075267092001).

20325031145135 is a wasteful number, since it uses less digits than its factorization.

20325031145135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710143833.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 20325031145135 its reverse (53154113052302), we get a palindrome (73479144197437).

The spelling of 20325031145135 in words is "twenty trillion, three hundred twenty-five billion, thirty-one million, one hundred forty-five thousand, one hundred thirty-five".