20014551125 has 16 divisors (see below), whose sum is σ = 26064170496. Its totient is φ = 15315480400.

The previous prime is 20014551119. The next prime is 20014551127. The reversal of 20014551125 is 52115541002.

It is not a de Polignac number, because 20014551125 - 2⁸ = 20014550869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20014551094 and 20014551103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014551127) by changing a digit.

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, 3477917 + ... + 3483666.

It is an arithmetic number, because the mean of its divisors is an integer number (1629010656).

Almost surely, 2^20014551125 is an apocalyptic number.

20014551125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20014551125 is a deficient number, since it is larger than the sum of its proper divisors (6049619371).

20014551125 is an equidigital number, since it uses as much as digits as its factorization.

20014551125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961621 (or 6961611 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 20014551125 in words is "twenty billion, fourteen million, five hundred fifty-one thousand, one hundred twenty-five".