20413505242042 has 8 divisors (see below), whose sum is σ = 33403917668832. Its totient is φ = 9278866019100.

The previous prime is 20413505242033. The next prime is 20413505242057. The reversal of 20413505242042 is 24024250531402.

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

It is a super-2 number, since 2×20413505242042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20413505241989 and 20413505242007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463943300934 + ... + 463943300977.

It is an arithmetic number, because the mean of its divisors is an integer number (4175489708604).

Almost surely, 2^{20413505242042} is an apocalyptic number.

20413505242042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20413505242042 is a deficient number, since it is larger than the sum of its proper divisors (12990412426790).

20413505242042 is a wasteful number, since it uses less digits than its factorization.

20413505242042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927886601924.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 20413505242042 its reverse (24024250531402), we get a palindrome (44437755773444).

The spelling of 20413505242042 in words is "twenty trillion, four hundred thirteen billion, five hundred five million, two hundred forty-two thousand, forty-two".