20413140424 has 8 divisors (see below), whose sum is σ = 38274638310. Its totient is φ = 10206570208.

The previous prime is 20413140421. The next prime is 20413140427. The reversal of 20413140424 is 42404131402.

It is an interprime number because it is at equal distance from previous prime (20413140421) and next prime (20413140427).

It can be written as a sum of positive squares in only one way, i.e., 18463917924 + 1949222500 = 135882^2 + 44150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20413140421) 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 as a sum of consecutive naturals, namely, 1275821269 + ... + 1275821284.

Almost surely, 2^20413140424 is an apocalyptic number.

It is an amenable number.

20413140424 is a deficient number, since it is larger than the sum of its proper divisors (17861497886).

20413140424 is a wasteful number, since it uses less digits than its factorization.

20413140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551642559 (or 2551642555 counting only the distinct ones).

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

Adding to 20413140424 its reverse (42404131402), we get a palindrome (62817271826).

The spelling of 20413140424 in words is "twenty billion, four hundred thirteen million, one hundred forty thousand, four hundred twenty-four".