20033313121 has 8 divisors (see below), whose sum is σ = 20251013120. Its totient is φ = 19816550208.

The previous prime is 20033313107. The next prime is 20033313133. The reversal of 20033313121 is 12131333002.

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 20033313121 - 2¹¹ = 20033311073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191241 + ... + 276838.

It is an arithmetic number, because the mean of its divisors is an integer number (2531376640).

Almost surely, 2^20033313121 is an apocalyptic number.

It is an amenable number.

20033313121 is a deficient number, since it is larger than the sum of its proper divisors (217699999).

20033313121 is a wasteful number, since it uses less digits than its factorization.

20033313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468543.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20033313121 its reverse (12131333002), we get a palindrome (32164646123).

The spelling of 20033313121 in words is "twenty billion, thirty-three million, three hundred thirteen thousand, one hundred twenty-one".