20300021123331 has 4 divisors (see below), whose sum is σ = 27066694831112. Its totient is φ = 13533347415552.

The previous prime is 20300021123297. The next prime is 20300021123341. The reversal of 20300021123331 is 13332112000302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20300021123331 - 2¹⁰ = 20300021122307 is a prime.

It is a super-2 number, since 2×20300021123331² (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 = 20300021123298 and 20300021123307.

It is not an unprimeable number, because it can be changed into a prime (20300021123341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383336853886 + ... + 3383336853891.

It is an arithmetic number, because the mean of its divisors is an integer number (6766673707778).

Almost surely, 2^{20300021123331} is an apocalyptic number.

20300021123331 is a deficient number, since it is larger than the sum of its proper divisors (6766673707781).

20300021123331 is an equidigital number, since it uses as much as digits as its factorization.

20300021123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766673707780.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20300021123331 its reverse (13332112000302), we get a palindrome (33632133123633).

The spelling of 20300021123331 in words is "twenty trillion, three hundred billion, twenty-one million, one hundred twenty-three thousand, three hundred thirty-one".