20103003125 has 12 divisors (see below), whose sum is σ = 25127149572. Its totient is φ = 16082400000.

The previous prime is 20103003091. The next prime is 20103003161. The reversal of 20103003125 is 52130030102.

It can be written as a sum of positive squares in 6 ways, for example, as 12883612036 + 7219391089 = 113506^2 + 84967^2 .

It is not a de Polignac number, because 20103003125 - 2²⁰ = 20101954549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3213356 + ... + 3219605.

It is an arithmetic number, because the mean of its divisors is an integer number (2093929131).

Almost surely, 2^20103003125 is an apocalyptic number.

20103003125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20103003125 is a deficient number, since it is larger than the sum of its proper divisors (5024146447).

20103003125 is an frugal number, since it uses more digits than its factorization.

20103003125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432986 (or 6432966 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 20103003125 its reverse (52130030102), we get a palindrome (72233033227).

The spelling of 20103003125 in words is "twenty billion, one hundred three million, three thousand, one hundred twenty-five".