20002100211002 has 32 divisors (see below), whose sum is σ = 37192615824000. Its totient is φ = 7855991281728.

The previous prime is 20002100210977. The next prime is 20002100211029. The reversal of 20002100211002 is 20011200120002.

It is a happy 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, 395304377 + ... + 395354972.

It is an arithmetic number, because the mean of its divisors is an integer number (1162269244500).

Almost surely, 2^{20002100211002} is an apocalyptic number.

20002100211002 is a deficient number, since it is larger than the sum of its proper divisors (17190515612998).

20002100211002 is a wasteful number, since it uses less digits than its factorization.

20002100211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790659510.

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

Adding to 20002100211002 its reverse (20011200120002), we get a palindrome (40013300331004).

The spelling of 20002100211002 in words is "twenty trillion, two billion, one hundred million, two hundred eleven thousand, two".