20424414031 has 16 divisors (see below), whose sum is σ = 24556377600. Its totient is φ = 16616462688.

The previous prime is 20424414029. The next prime is 20424414071. The reversal of 20424414031 is 13041442402.

It is not a de Polignac number, because 20424414031 - 2¹ = 20424414029 is a prime.

It is a super-2 number, since 2×20424414031² (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 = 20424413987 and 20424414005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424414001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840675 + ... + 864628.

It is an arithmetic number, because the mean of its divisors is an integer number (1534773600).

Almost surely, 2^20424414031 is an apocalyptic number.

20424414031 is a deficient number, since it is larger than the sum of its proper divisors (4131963569).

20424414031 is a wasteful number, since it uses less digits than its factorization.

20424414031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705398.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20424414031 its reverse (13041442402), we get a palindrome (33465856433).

The spelling of 20424414031 in words is "twenty billion, four hundred twenty-four million, four hundred fourteen thousand, thirty-one".