20012210020002 has 32 divisors (see below), whose sum is σ = 42556114886400. Its totient is φ = 6252071184128.

The previous prime is 20012210019979. The next prime is 20012210020043. The reversal of 20012210020002 is 20002001221002.

It is a self number, because there is not a number n which added to its sum of digits gives 20012210020002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410431977 + ... + 410480732.

It is an arithmetic number, because the mean of its divisors is an integer number (1329878590200).

Almost surely, 2^{20012210020002} is an apocalyptic number.

20012210020002 is an abundant number, since it is smaller than the sum of its proper divisors (22543904866398).

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

20012210020002 is a wasteful number, since it uses less digits than its factorization.

20012210020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820912970.

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

Adding to 20012210020002 its reverse (20002001221002), we get a palindrome (40014211241004).

The spelling of 20012210020002 in words is "twenty trillion, twelve billion, two hundred ten million, twenty thousand, two".