20413402024 has 8 divisors (see below), whose sum is σ = 38275128810. Its totient is φ = 10206701008.

The previous prime is 20413401949. The next prime is 20413402067. The reversal of 20413402024 is 42020431402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17924389924 + 2489012100 = 133882^2 + 49890^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20413401986 and 20413402004.

It is an unprimeable number.

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, 1275837619 + ... + 1275837634.

Almost surely, 2^20413402024 is an apocalyptic number.

It is an amenable number.

20413402024 is a deficient number, since it is larger than the sum of its proper divisors (17861726786).

20413402024 is a wasteful number, since it uses less digits than its factorization.

20413402024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551675259 (or 2551675255 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20413402024 its reverse (42020431402), we get a palindrome (62433833426).

The spelling of 20413402024 in words is "twenty billion, four hundred thirteen million, four hundred two thousand, twenty-four".