20201104210031 has 16 divisors (see below), whose sum is σ = 21550174930944. Its totient is φ = 18892113993984.

The previous prime is 20201104209989. The next prime is 20201104210051. The reversal of 20201104210031 is 13001240110202.

It is not a de Polignac number, because 20201104210031 - 2¹⁸ = 20201103947887 is a prime.

It is a super-2 number, since 2×20201104210031² (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 = 20201104209991 and 20201104210009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201104210051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8617250 + ... + 10707903.

It is an arithmetic number, because the mean of its divisors is an integer number (1346885933184).

Almost surely, 2^{20201104210031} is an apocalyptic number.

20201104210031 is a deficient number, since it is larger than the sum of its proper divisors (1349070720913).

20201104210031 is a wasteful number, since it uses less digits than its factorization.

20201104210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19326190.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20201104210031 its reverse (13001240110202), we get a palindrome (33202344320233).

The spelling of 20201104210031 in words is "twenty trillion, two hundred one billion, one hundred four million, two hundred ten thousand, thirty-one".