20240002031 has 4 divisors (see below), whose sum is σ = 20240286864. Its totient is φ = 20239717200.

The previous prime is 20240002007. The next prime is 20240002087. The reversal of 20240002031 is 13020004202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20240002031 - 2¹⁰ = 20240001007 is a prime.

It is a super-2 number, since 2×20240002031² (a number of 21 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 = 20240001997 and 20240002015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240092031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61451 + ... + 210371.

It is an arithmetic number, because the mean of its divisors is an integer number (5060071716).

Almost surely, 2^20240002031 is an apocalyptic number.

20240002031 is a deficient number, since it is larger than the sum of its proper divisors (284833).

20240002031 is a wasteful number, since it uses less digits than its factorization.

20240002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284832.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20240002031 its reverse (13020004202), we get a palindrome (33260006233).

The spelling of 20240002031 in words is "twenty billion, two hundred forty million, two thousand, thirty-one".