20413020442 has 8 divisors (see below), whose sum is σ = 30620337696. Its totient is φ = 10206241212.

The previous prime is 20413020409. The next prime is 20413020451. The reversal of 20413020442 is 24402031402.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 20238 + ... + 203065.

It is an arithmetic number, because the mean of its divisors is an integer number (3827542212).

Almost surely, 2^20413020442 is an apocalyptic number.

20413020442 is a deficient number, since it is larger than the sum of its proper divisors (10207317254).

20413020442 is a wasteful number, since it uses less digits than its factorization.

20413020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269012.

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

Adding to 20413020442 its reverse (24402031402), we get a palindrome (44815051844).

The spelling of 20413020442 in words is "twenty billion, four hundred thirteen million, twenty thousand, four hundred forty-two".