20010110332031 has 4 divisors (see below), whose sum is σ = 20026365500064. Its totient is φ = 19993855164000.

The previous prime is 20010110332021. The next prime is 20010110332049. The reversal of 20010110332031 is 13023301101002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010110332031 is a prime.

It is a super-2 number, since 2×20010110332031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010110332001) 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, 8127582170 + ... + 8127584631.

It is an arithmetic number, because the mean of its divisors is an integer number (5006591375016).

Almost surely, 2^{20010110332031} is an apocalyptic number.

20010110332031 is a deficient number, since it is larger than the sum of its proper divisors (16255168033).

20010110332031 is a wasteful number, since it uses less digits than its factorization.

20010110332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255168032.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20010110332031 its reverse (13023301101002), we get a palindrome (33033411433033).

The spelling of 20010110332031 in words is "twenty trillion, ten billion, one hundred ten million, three hundred thirty-two thousand, thirty-one".