20120020200102 has 32 divisors (see below), whose sum is σ = 43597964437632. Its totient is φ = 6165368705664.

The previous prime is 20120020200067. The next prime is 20120020200143. The reversal of 20120020200102 is 20100202002102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293659568 + ... + 2293668339.

It is an arithmetic number, because the mean of its divisors is an integer number (1362436388676).

Almost surely, 2^{20120020200102} is an apocalyptic number.

20120020200102 is an abundant number, since it is smaller than the sum of its proper divisors (23477944237530).

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

20120020200102 is a wasteful number, since it uses less digits than its factorization.

20120020200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587327972.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20120020200102 its reverse (20100202002102), we get a palindrome (40220222202204).

The spelling of 20120020200102 in words is "twenty trillion, one hundred twenty billion, twenty million, two hundred thousand, one hundred two".