20020344003031 has 4 divisors (see below), whose sum is σ = 21074046319000. Its totient is φ = 18966641687064.

The previous prime is 20020344003013. The next prime is 20020344003043. The reversal of 20020344003031 is 13030044302002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20020344003031 - 2⁵ = 20020344002999 is a prime.

It is a super-2 number, since 2×20020344003031² (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 = 20020344002993 and 20020344003011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020344003001) 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, 526851157956 + ... + 526851157993.

It is an arithmetic number, because the mean of its divisors is an integer number (5268511579750).

Almost surely, 2^{20020344003031} is an apocalyptic number.

20020344003031 is a deficient number, since it is larger than the sum of its proper divisors (1053702315969).

20020344003031 is a wasteful number, since it uses less digits than its factorization.

20020344003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053702315968.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20020344003031 its reverse (13030044302002), we get a palindrome (33050388305033).

The spelling of 20020344003031 in words is "twenty trillion, twenty billion, three hundred forty-four million, three thousand, thirty-one".