20001201202102 has 8 divisors (see below), whose sum is σ = 30003842925000. Its totient is φ = 9999920227104.

The previous prime is 20001201202049. The next prime is 20001201202141. The reversal of 20001201202102 is 20120210210002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 340150227 + ... + 340209022.

It is an arithmetic number, because the mean of its divisors is an integer number (3750480365625).

Almost surely, 2^{20001201202102} is an apocalyptic number.

20001201202102 is a deficient number, since it is larger than the sum of its proper divisors (10002641722898).

20001201202102 is a wasteful number, since it uses less digits than its factorization.

20001201202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680373950.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20001201202102 its reverse (20120210210002), we get a palindrome (40121411412104).

The spelling of 20001201202102 in words is "twenty trillion, one billion, two hundred one million, two hundred two thousand, one hundred two".