20125533005045 has 16 divisors (see below), whose sum is σ = 26100283544832. Its totient is φ = 14809416390720.

The previous prime is 20125533004981. The next prime is 20125533005077. The reversal of 20125533005045 is 54050033552102.

It is not a de Polignac number, because 20125533005045 - 2⁶ = 20125533004981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20125533004996 and 20125533005014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547019741 + ... + 547056530.

It is an arithmetic number, because the mean of its divisors is an integer number (1631267721552).

Almost surely, 2^{20125533005045} is an apocalyptic number.

It is an amenable number.

20125533005045 is a deficient number, since it is larger than the sum of its proper divisors (5974750539787).

20125533005045 is a wasteful number, since it uses less digits than its factorization.

20125533005045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094076572.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 20125533005045 its reverse (54050033552102), we get a palindrome (74175566557147).

The spelling of 20125533005045 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-three million, five thousand, forty-five".