20002021212002 has 64 divisors (see below), whose sum is σ = 32409815281920. Its totient is φ = 9235665542400.

The previous prime is 20002021211989. The next prime is 20002021212011. The reversal of 20002021212002 is 20021212020002.

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 31 ways as a sum of consecutive naturals, for example, 108014252 + ... + 108199272.

It is an arithmetic number, because the mean of its divisors is an integer number (506403363780).

Almost surely, 2^{20002021212002} is an apocalyptic number.

20002021212002 is a deficient number, since it is larger than the sum of its proper divisors (12407794069918).

20002021212002 is a wasteful number, since it uses less digits than its factorization.

20002021212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185819.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20002021212002 its reverse (20021212020002), we get a palindrome (40023233232004).

The spelling of 20002021212002 in words is "twenty trillion, two billion, twenty-one million, two hundred twelve thousand, two".