20002111120002 has 32 divisors (see below), whose sum is σ = 43650341434944. Its totient is φ = 6059944166400.

The previous prime is 20002111119989. The next prime is 20002111120009.

20002111120002 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20002111120002.

It is not an unprimeable number, because it can be changed into a prime (20002111120009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32230999 + ... + 32845722.

It is an arithmetic number, because the mean of its divisors is an integer number (1364073169842).

Almost surely, 2^{20002111120002} is an apocalyptic number.

20002111120002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002111120002 is an abundant number, since it is smaller than the sum of its proper divisors (23648230314942).

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

20002111120002 is a wasteful number, since it uses less digits than its factorization.

20002111120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65081394.

The product of its (nonzero) digits is 16, while the sum is 12.

It can be divided in two parts, 2000211 and 1120002, that added together give a palindrome (3120213).

The spelling of 20002111120002 in words is "twenty trillion, two billion, one hundred eleven million, one hundred twenty thousand, two".