20000202020121 has 8 divisors (see below), whose sum is σ = 26666960236384. Its totient is φ = 13333455908640.

The previous prime is 20000202020087. The next prime is 20000202020251. The reversal of 20000202020121 is 12102020200002.

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

It is not a de Polignac number, because 20000202020121 - 2²⁵ = 20000168465689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000202020097 and 20000202020106.

It is not an unprimeable number, because it can be changed into a prime (20000202030121) 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, 2041341 + ... + 6645861.

It is an arithmetic number, because the mean of its divisors is an integer number (3333370029548).

Almost surely, 2^{20000202020121} is an apocalyptic number.

It is an amenable number.

20000202020121 is a deficient number, since it is larger than the sum of its proper divisors (6666758216263).

20000202020121 is a wasteful number, since it uses less digits than its factorization.

20000202020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052391.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000202020121 its reverse (12102020200002), we get a palindrome (32102222220123).

The spelling of 20000202020121 in words is "twenty trillion, two hundred two million, twenty thousand, one hundred twenty-one".