20000140203121 has 8 divisors (see below), whose sum is σ = 22672223712320. Its totient is φ = 17490001149072.

The previous prime is 20000140203079. The next prime is 20000140203139. The reversal of 20000140203121 is 12130204100002.

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

It is a cyclic number.

It is not a de Polignac number, because 20000140203121 - 2¹⁷ = 20000140072049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000140203095 and 20000140203104.

It is not an unprimeable number, because it can be changed into a prime (20000140201121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40486113525 + ... + 40486114018.

It is an arithmetic number, because the mean of its divisors is an integer number (2834027964040).

Almost surely, 2^{20000140203121} is an apocalyptic number.

It is an amenable number.

20000140203121 is a deficient number, since it is larger than the sum of its proper divisors (2672083509199).

20000140203121 is a wasteful number, since it uses less digits than its factorization.

20000140203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80972227575.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20000140203121 its reverse (12130204100002), we get a palindrome (32130344303123).

The spelling of 20000140203121 in words is "twenty trillion, one hundred forty million, two hundred three thousand, one hundred twenty-one".