20024130031 has 8 divisors (see below), whose sum is σ = 20140768800. Its totient is φ = 19907651808.

The previous prime is 20024130019. The next prime is 20024130037. The reversal of 20024130031 is 13003142002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20024130031 - 2⁵ = 20024129999 is a prime.

It is a super-2 number, since 2×20024130031² (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 = 20024129987 and 20024130014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024130037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214725 + ... + 293521.

It is an arithmetic number, because the mean of its divisors is an integer number (2517596100).

Almost surely, 2^20024130031 is an apocalyptic number.

20024130031 is a deficient number, since it is larger than the sum of its proper divisors (116638769).

20024130031 is a wasteful number, since it uses less digits than its factorization.

20024130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80273.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20024130031 its reverse (13003142002), we get a palindrome (33027272033).

The spelling of 20024130031 in words is "twenty billion, twenty-four million, one hundred thirty thousand, thirty-one".