20024224031 has 4 divisors (see below), whose sum is σ = 22884827472. Its totient is φ = 17163620592.

The previous prime is 20024224021. The next prime is 20024224063. The reversal of 20024224031 is 13042242002.

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 20024224031 - 2²² = 20020029727 is a prime.

It is a super-2 number, since 2×20024224031² (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 = 20024223994 and 20024224012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024224021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430301710 + ... + 1430301723.

It is an arithmetic number, because the mean of its divisors is an integer number (5721206868).

Almost surely, 2^20024224031 is an apocalyptic number.

20024224031 is a deficient number, since it is larger than the sum of its proper divisors (2860603441).

20024224031 is an equidigital number, since it uses as much as digits as its factorization.

20024224031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860603440.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20024224031 its reverse (13042242002), we get a palindrome (33066466033).

The spelling of 20024224031 in words is "twenty billion, twenty-four million, two hundred twenty-four thousand, thirty-one".