20010031443323 has 16 divisors (see below), whose sum is σ = 20936437804800. Its totient is φ = 19088331847200.

The previous prime is 20010031443287. The next prime is 20010031443341. The reversal of 20010031443323 is 32334413001002.

It is a cyclic number.

It is not a de Polignac number, because 20010031443323 - 2¹⁰ = 20010031442299 is a prime.

It is a super-2 number, since 2×20010031443323² (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 = 20010031443292 and 20010031443301.

It is not an unprimeable number, because it can be changed into a prime (20010031443383) 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, 159188048 + ... + 159313698.

It is an arithmetic number, because the mean of its divisors is an integer number (1308527362800).

Almost surely, 2^{20010031443323} is an apocalyptic number.

20010031443323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20010031443323 is a deficient number, since it is larger than the sum of its proper divisors (926406361477).

20010031443323 is a wasteful number, since it uses less digits than its factorization.

20010031443323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144322.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20010031443323 its reverse (32334413001002), we get a palindrome (52344444444325).

The spelling of 20010031443323 in words is "twenty trillion, ten billion, thirty-one million, four hundred forty-three thousand, three hundred twenty-three".