20130035025 has 24 divisors (see below), whose sum is σ = 33338428704. Its totient is φ = 10717705600.

The previous prime is 20130034957. The next prime is 20130035113. The reversal of 20130035025 is 52053003102.

It is not a de Polignac number, because 20130035025 - 2¹² = 20130030929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130034992 and 20130035010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184596 + ... + 272645.

It is an arithmetic number, because the mean of its divisors is an integer number (1389101196).

Almost surely, 2^20130035025 is an apocalyptic number.

20130035025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20130035025 is a deficient number, since it is larger than the sum of its proper divisors (13208393679).

20130035025 is a wasteful number, since it uses less digits than its factorization.

20130035025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457841 (or 457836 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 20130035025 its reverse (52053003102), we get a palindrome (72183038127).

The spelling of 20130035025 in words is "twenty billion, one hundred thirty million, thirty-five thousand, twenty-five".