20101431222404 has 12 divisors (see below), whose sum is σ = 40202862444864. Its totient is φ = 8614899095304.

The previous prime is 20101431222391. The next prime is 20101431222413. The reversal of 20101431222404 is 40422213410102.

20101431222404 is an admirable number.

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, 358954128944 + ... + 358954128999.

It is an arithmetic number, because the mean of its divisors is an integer number (3350238537072).

Almost surely, 2^{20101431222404} is an apocalyptic number.

It is an amenable number.

20101431222404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101431222404 is a wasteful number, since it uses less digits than its factorization.

20101431222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717908257954 (or 717908257952 counting only the distinct ones).

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

Adding to 20101431222404 its reverse (40422213410102), we get a palindrome (60523644632506).

The spelling of 20101431222404 in words is "twenty trillion, one hundred one billion, four hundred thirty-one million, two hundred twenty-two thousand, four hundred four".