20411030125 has 16 divisors (see below), whose sum is σ = 26351348400. Its totient is φ = 15765758400.

The previous prime is 20411030099. The next prime is 20411030141. The reversal of 20411030125 is 52103011402.

It can be written as a sum of positive squares in 8 ways, for example, as 5722317316 + 14688712809 = 75646^2 + 121197^2 .

It is not a de Polignac number, because 20411030125 - 2²³ = 20402641517 is a prime.

It is a super-2 number, since 2×20411030125² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2811690 + ... + 2818939.

It is an arithmetic number, because the mean of its divisors is an integer number (1646959275).

Almost surely, 2^20411030125 is an apocalyptic number.

20411030125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20411030125 is a deficient number, since it is larger than the sum of its proper divisors (5940318275).

20411030125 is an equidigital number, since it uses as much as digits as its factorization.

20411030125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630673 (or 5630663 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20411030125 its reverse (52103011402), we get a palindrome (72514041527).

The spelling of 20411030125 in words is "twenty billion, four hundred eleven million, thirty thousand, one hundred twenty-five".