20630113025 has 24 divisors (see below), whose sum is σ = 26270235264. Its totient is φ = 16063531200.

The previous prime is 20630112991. The next prime is 20630113039. The reversal of 20630113025 is 52031103602.

It is not a de Polignac number, because 20630113025 - 2¹² = 20630108929 is a prime.

It is a Duffinian number.

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, 164174 + ... + 261176.

It is an arithmetic number, because the mean of its divisors is an integer number (1094593136).

Almost surely, 2^20630113025 is an apocalyptic number.

20630113025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20630113025 is a deficient number, since it is larger than the sum of its proper divisors (5640122239).

20630113025 is a wasteful number, since it uses less digits than its factorization.

20630113025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97241 (or 97236 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 20630113025 its reverse (52031103602), we get a palindrome (72661216627).

The spelling of 20630113025 in words is "twenty billion, six hundred thirty million, one hundred thirteen thousand, twenty-five".