20413424131 has 16 divisors (see below), whose sum is σ = 21176668800. Its totient is φ = 19665013248.

The previous prime is 20413424111. The next prime is 20413424137. The reversal of 20413424131 is 13142431402.

It is a cyclic number.

It is not a de Polignac number, because 20413424131 - 2¹¹ = 20413422083 is a prime.

It is a super-2 number, since 2×20413424131² (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 = 20413424096 and 20413424105.

It is not an unprimeable number, because it can be changed into a prime (20413424137) 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, 1740535 + ... + 1752223.

It is an arithmetic number, because the mean of its divisors is an integer number (1323541800).

Almost surely, 2^20413424131 is an apocalyptic number.

20413424131 is a deficient number, since it is larger than the sum of its proper divisors (763244669).

20413424131 is a wasteful number, since it uses less digits than its factorization.

20413424131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12318.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20413424131 its reverse (13142431402), we get a palindrome (33555855533).

The spelling of 20413424131 in words is "twenty billion, four hundred thirteen million, four hundred twenty-four thousand, one hundred thirty-one".