20003331302121 has 8 divisors (see below), whose sum is σ = 27391949170624. Its totient is φ = 12975133817520.

The previous prime is 20003331302117. The next prime is 20003331302197. The reversal of 20003331302121 is 12120313330002.

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

It is not a de Polignac number, because 20003331302121 - 2² = 20003331302117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20003331302221) 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, 90105095845 + ... + 90105096066.

It is an arithmetic number, because the mean of its divisors is an integer number (3423993646328).

Almost surely, 2^{20003331302121} is an apocalyptic number.

It is an amenable number.

20003331302121 is a deficient number, since it is larger than the sum of its proper divisors (7388617868503).

20003331302121 is a wasteful number, since it uses less digits than its factorization.

20003331302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180210191951.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20003331302121 its reverse (12120313330002), we get a palindrome (32123644632123).

The spelling of 20003331302121 in words is "twenty trillion, three billion, three hundred thirty-one million, three hundred two thousand, one hundred twenty-one".