20035405105125 has 64 divisors (see below), whose sum is σ = 33906235633920. Its totient is φ = 10503739680000.

The previous prime is 20035405105123. The next prime is 20035405105151. The reversal of 20035405105125 is 52150150453002.

20035405105125 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 20035405105125 - 2¹ = 20035405105123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035405105123) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 639418959 + ... + 639450291.

It is an arithmetic number, because the mean of its divisors is an integer number (529784931780).

Almost surely, 2^{20035405105125} is an apocalyptic number.

20035405105125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20035405105125 is a deficient number, since it is larger than the sum of its proper divisors (13870830528795).

20035405105125 is a wasteful number, since it uses less digits than its factorization.

20035405105125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60311 (or 60301 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 20035405105125 its reverse (52150150453002), we get a palindrome (72185555558127).

The spelling of 20035405105125 in words is "twenty trillion, thirty-five billion, four hundred five million, one hundred five thousand, one hundred twenty-five".