20096181121 has 3 divisors (see below), whose sum is σ = 20096322883. Its totient is φ = 20096039360.

The previous prime is 20096181113. The next prime is 20096181167. The reversal of 20096181121 is 12118169002.

It is a happy number.

The square root of 20096181121 is 141761.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3814421121 + 16281760000 = 61761^2 + 127600^2 .

It is not a de Polignac number, because 20096181121 - 2³ = 20096181113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20096191121) 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 2 ways as a sum of consecutive naturals, for example, 70881 + ... + 212641.

Almost surely, 2^20096181121 is an apocalyptic number.

20096181121 is the 141761-st square number.

20096181121 is the 70881-st centered octagonal number.

It is an amenable number.

20096181121 is a deficient number, since it is larger than the sum of its proper divisors (141762).

20096181121 is an frugal number, since it uses more digits than its factorization.

20096181121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283522 (or 141761 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 20096181121 in words is "twenty billion, ninety-six million, one hundred eighty-one thousand, one hundred twenty-one".