20330131002121 has 8 divisors (see below), whose sum is σ = 20466720446400. Its totient is φ = 20193543499632.

The previous prime is 20330131002119. The next prime is 20330131002127. The reversal of 20330131002121 is 12120013103302.

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 20330131002121 - 2¹ = 20330131002119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330131002127) 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, 25004826 + ... + 25805068.

It is an arithmetic number, because the mean of its divisors is an integer number (2558340055800).

Almost surely, 2^{20330131002121} is an apocalyptic number.

It is an amenable number.

20330131002121 is a deficient number, since it is larger than the sum of its proper divisors (136589444279).

20330131002121 is a wasteful number, since it uses less digits than its factorization.

20330131002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970895.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20330131002121 its reverse (12120013103302), we get a palindrome (32450144105423).

The spelling of 20330131002121 in words is "twenty trillion, three hundred thirty billion, one hundred thirty-one million, two thousand, one hundred twenty-one".