20131242404210 has 16 divisors (see below), whose sum is σ = 41412841517376. Its totient is φ = 6902140252848.

The previous prime is 20131242404107. The next prime is 20131242404219. The reversal of 20131242404210 is 1240424213102.

It is a self number, because there is not a number n which added to its sum of digits gives 20131242404210.

It is not an unprimeable number, because it can be changed into a prime (20131242404219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 143794588532 + ... + 143794588671.

It is an arithmetic number, because the mean of its divisors is an integer number (2588302594836).

Almost surely, 2^{20131242404210} is an apocalyptic number.

20131242404210 is an abundant number, since it is smaller than the sum of its proper divisors (21281599113166).

20131242404210 is a wasteful number, since it uses less digits than its factorization.

20131242404210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287589177217.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20131242404210 its reverse (1240424213102), we get a palindrome (21371666617312).

The spelling of 20131242404210 in words is "twenty trillion, one hundred thirty-one billion, two hundred forty-two million, four hundred four thousand, two hundred ten".