20608125125 has 16 divisors (see below), whose sum is σ = 29393075712. Its totient is φ = 14131285200.

The previous prime is 20608125121. The next prime is 20608125151. The reversal of 20608125125 is 52152180602.

It is not a de Polignac number, because 20608125125 - 2² = 20608125121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20608125091 and 20608125100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20608125121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11775197 + ... + 11776946.

It is an arithmetic number, because the mean of its divisors is an integer number (1837067232).

Almost surely, 2^20608125125 is an apocalyptic number.

20608125125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20608125125 is a deficient number, since it is larger than the sum of its proper divisors (8784950587).

20608125125 is an equidigital number, since it uses as much as digits as its factorization.

20608125125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23552165 (or 23552155 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 20608125125 in words is "twenty billion, six hundred eight million, one hundred twenty-five thousand, one hundred twenty-five".