20213432240102 has 64 divisors (see below), whose sum is σ = 31131251363520. Its totient is φ = 9840957235200.

The previous prime is 20213432240017. The next prime is 20213432240143. The reversal of 20213432240102 is 20104223431202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4766192702 + ... + 4766196942.

It is an arithmetic number, because the mean of its divisors is an integer number (486425802555).

Almost surely, 2^{20213432240102} is an apocalyptic number.

20213432240102 is a deficient number, since it is larger than the sum of its proper divisors (10917819123418).

20213432240102 is a wasteful number, since it uses less digits than its factorization.

20213432240102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20213432240102 its reverse (20104223431202), we get a palindrome (40317655671304).

The spelling of 20213432240102 in words is "twenty trillion, two hundred thirteen billion, four hundred thirty-two million, two hundred forty thousand, one hundred two".