20125471037633 has 16 divisors (see below), whose sum is σ = 22135292471040. Its totient is φ = 18181628222976.

The previous prime is 20125471037603. The next prime is 20125471037641. The reversal of 20125471037633 is 33673017452102.

It is a cyclic number.

It is not a de Polignac number, because 20125471037633 - 2²² = 20125466843329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125471037603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24611441 + ... + 25416017.

It is an arithmetic number, because the mean of its divisors is an integer number (1383455779440).

Almost surely, 2^{20125471037633} is an apocalyptic number.

It is an amenable number.

20125471037633 is a deficient number, since it is larger than the sum of its proper divisors (2009821433407).

20125471037633 is a wasteful number, since it uses less digits than its factorization.

20125471037633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845576.

The product of its (nonzero) digits is 635040, while the sum is 44.

Adding to 20125471037633 its reverse (33673017452102), we get a palindrome (53798488489735).

The spelling of 20125471037633 in words is "twenty trillion, one hundred twenty-five billion, four hundred seventy-one million, thirty-seven thousand, six hundred thirty-three".