20001012200102 has 32 divisors (see below), whose sum is σ = 30668227706880. Its totient is φ = 9778666453920.

The previous prime is 20001012200053. The next prime is 20001012200119. The reversal of 20001012200102 is 20100221010002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031448827 + ... + 1031468217.

It is an arithmetic number, because the mean of its divisors is an integer number (958382115840).

Almost surely, 2^{20001012200102} is an apocalyptic number.

20001012200102 is a deficient number, since it is larger than the sum of its proper divisors (10667215506778).

20001012200102 is a wasteful number, since it uses less digits than its factorization.

20001012200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29036.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001012200102 its reverse (20100221010002), we get a palindrome (40101233210104).

The spelling of 20001012200102 in words is "twenty trillion, one billion, twelve million, two hundred thousand, one hundred two".