20201331123331 has 8 divisors (see below), whose sum is σ = 20692820150640. Its totient is φ = 19710828033792.

The previous prime is 20201331123329. The next prime is 20201331123341. The reversal of 20201331123331 is 13332113310202.

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 20201331123331 - 2¹ = 20201331123329 is a prime.

It is a super-2 number, since 2×20201331123331² (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 = 20201331123296 and 20201331123305.

It is not an unprimeable number, because it can be changed into a prime (20201331123301) 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, 246442966 + ... + 246524923.

It is an arithmetic number, because the mean of its divisors is an integer number (2586602518830).

Almost surely, 2^{20201331123331} is an apocalyptic number.

20201331123331 is a deficient number, since it is larger than the sum of its proper divisors (491489027309).

20201331123331 is an equidigital number, since it uses as much as digits as its factorization.

20201331123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492968885.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20201331123331 its reverse (13332113310202), we get a palindrome (33533444433533).

The spelling of 20201331123331 in words is "twenty trillion, two hundred one billion, three hundred thirty-one million, one hundred twenty-three thousand, three hundred thirty-one".