20120200120002 has 32 divisors (see below), whose sum is σ = 41628778519680. Its totient is φ = 6475345640960.

The previous prime is 20120200119991. The next prime is 20120200120039. The reversal of 20120200120002 is 20002100202102.

It is a self number, because there is not a number n which added to its sum of digits gives 20120200120002.

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, 8495803 + ... + 10602785.

It is an arithmetic number, because the mean of its divisors is an integer number (1300899328740).

Almost surely, 2^{20120200120002} is an apocalyptic number.

20120200120002 is an abundant number, since it is smaller than the sum of its proper divisors (21508578399678).

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

20120200120002 is a wasteful number, since it uses less digits than its factorization.

20120200120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161898.

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

Adding to 20120200120002 its reverse (20002100202102), we get a palindrome (40122300322104).

The spelling of 20120200120002 in words is "twenty trillion, one hundred twenty billion, two hundred million, one hundred twenty thousand, two".