20000303323031 has 4 divisors (see below), whose sum is σ = 20000321752632. Its totient is φ = 20000284893432.

The previous prime is 20000303322953. The next prime is 20000303323069. The reversal of 20000303323031 is 13032330300002.

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-20000303323031 is a prime.

It is a super-2 number, since 2×20000303323031² (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 = 20000303322994 and 20000303323012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000303323081) 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, 7477820 + ... + 9793793.

It is an arithmetic number, because the mean of its divisors is an integer number (5000080438158).

Almost surely, 2^{20000303323031} is an apocalyptic number.

20000303323031 is a deficient number, since it is larger than the sum of its proper divisors (18429601).

20000303323031 is a wasteful number, since it uses less digits than its factorization.

20000303323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18429600.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20000303323031 its reverse (13032330300002), we get a palindrome (33032633623033).

The spelling of 20000303323031 in words is "twenty trillion, three hundred three million, three hundred twenty-three thousand, thirty-one".