20413420102 has 32 divisors (see below), whose sum is σ = 31826520000. Its totient is φ = 9808060416.

The previous prime is 20413420039. The next prime is 20413420103. The reversal of 20413420102 is 20102431402.

It is a self number, because there is not a number n which added to its sum of digits gives 20413420102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413420103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14487174 + ... + 14488582.

It is an arithmetic number, because the mean of its divisors is an integer number (994578750).

Almost surely, 2^20413420102 is an apocalyptic number.

20413420102 is a deficient number, since it is larger than the sum of its proper divisors (11413099898).

20413420102 is a wasteful number, since it uses less digits than its factorization.

20413420102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20413420102 its reverse (20102431402), we get a palindrome (40515851504).

The spelling of 20413420102 in words is "twenty billion, four hundred thirteen million, four hundred twenty thousand, one hundred two".