20033021121331 has 16 divisors (see below), whose sum is σ = 20563103328768. Its totient is φ = 19509899068800.

The previous prime is 20033021121307. The next prime is 20033021121341. The reversal of 20033021121331 is 13312112033002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033021121331 is a prime.

It is a super-2 number, since 2×20033021121331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033021121341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38499826 + ... + 39016696.

It is an arithmetic number, because the mean of its divisors is an integer number (1285193958048).

Almost surely, 2^{20033021121331} is an apocalyptic number.

20033021121331 is a deficient number, since it is larger than the sum of its proper divisors (530082207437).

20033021121331 is an equidigital number, since it uses as much as digits as its factorization.

20033021121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523602.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20033021121331 its reverse (13312112033002), we get a palindrome (33345133154333).

The spelling of 20033021121331 in words is "twenty trillion, thirty-three billion, twenty-one million, one hundred twenty-one thousand, three hundred thirty-one".