20002021120202 has 32 divisors (see below), whose sum is σ = 32907497785344. Its totient is φ = 9042758722800.

The previous prime is 20002021120189. The next prime is 20002021120223. The reversal of 20002021120202 is 20202112020002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3483953 + ... + 7220939.

It is an arithmetic number, because the mean of its divisors is an integer number (1028359305792).

Almost surely, 2^{20002021120202} is an apocalyptic number.

20002021120202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002021120202 is a deficient number, since it is larger than the sum of its proper divisors (12905476665142).

20002021120202 is a wasteful number, since it uses less digits than its factorization.

20002021120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738314.

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

Adding to 20002021120202 its reverse (20202112020002), we get a palindrome (40204133140204).

The spelling of 20002021120202 in words is "twenty trillion, two billion, twenty-one million, one hundred twenty thousand, two hundred two".