20330121033331 has 8 divisors (see below), whose sum is σ = 21218771554560. Its totient is φ = 19441864863432.

The previous prime is 20330121033323. The next prime is 20330121033337. The reversal of 20330121033331 is 13333012103302.

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 20330121033331 - 2³ = 20330121033323 is a prime.

It is a super-2 number, since 2×20330121033331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330121033296 and 20330121033305.

It is not an unprimeable number, because it can be changed into a prime (20330121033337) 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, 98482471 + ... + 98688688.

It is an arithmetic number, because the mean of its divisors is an integer number (2652346444320).

Almost surely, 2^{20330121033331} is an apocalyptic number.

20330121033331 is a deficient number, since it is larger than the sum of its proper divisors (888650521229).

20330121033331 is a wasteful number, since it uses less digits than its factorization.

20330121033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197175665.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20330121033331 its reverse (13333012103302), we get a palindrome (33663133136633).

The spelling of 20330121033331 in words is "twenty trillion, three hundred thirty billion, one hundred twenty-one million, thirty-three thousand, three hundred thirty-one".