20632421410012 has 12 divisors (see below), whose sum is σ = 36107704157616. Its totient is φ = 10315934507840.

The previous prime is 20632421409983. The next prime is 20632421410121. The reversal of 20632421410012 is 21001412423602.

It is a congruent number.

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, 68881168 + ... + 69180055.

It is an arithmetic number, because the mean of its divisors is an integer number (3008975346468).

Almost surely, 2^{20632421410012} is an apocalyptic number.

It is an amenable number.

20632421410012 is a deficient number, since it is larger than the sum of its proper divisors (15475282747604).

20632421410012 is a wasteful number, since it uses less digits than its factorization.

20632421410012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138098588 (or 138098586 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 20632421410012 its reverse (21001412423602), we get a palindrome (41633833833614).

The spelling of 20632421410012 in words is "twenty trillion, six hundred thirty-two billion, four hundred twenty-one million, four hundred ten thousand, twelve".