20025971096181 has 8 divisors (see below), whose sum is σ = 26701400177760. Its totient is φ = 13350594706032.

The previous prime is 20025971096143. The next prime is 20025971096191. The reversal of 20025971096181 is 18169017952002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20025971096181 - 2²³ = 20025962707573 is a prime.

It is a super-2 number, since 2×20025971096181² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025971096111) 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 7 ways as a sum of consecutive naturals, for example, 12277350 + ... + 13812503.

It is an arithmetic number, because the mean of its divisors is an integer number (3337675022220).

Almost surely, 2^{20025971096181} is an apocalyptic number.

It is an amenable number.

20025971096181 is a deficient number, since it is larger than the sum of its proper divisors (6675429081579).

20025971096181 is a wasteful number, since it uses less digits than its factorization.

20025971096181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26345715.

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 20025971096181 in words is "twenty trillion, twenty-five billion, nine hundred seventy-one million, ninety-six thousand, one hundred eighty-one".