20002021102102 has 32 divisors (see below), whose sum is σ = 33803264041344. Its totient is φ = 8814910080000.

The previous prime is 20002021102031. The next prime is 20002021102121. The reversal of 20002021102102 is 20120112020002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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, 199562899 + ... + 199663102.

It is an arithmetic number, because the mean of its divisors is an integer number (1056352001292).

Almost surely, 2^{20002021102102} is an apocalyptic number.

20002021102102 is a deficient number, since it is larger than the sum of its proper divisors (13801242939242).

20002021102102 is a wasteful number, since it uses less digits than its factorization.

20002021102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399226104.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20002021102102 its reverse (20120112020002), we get a palindrome (40122133122104).

The spelling of 20002021102102 in words is "twenty trillion, two billion, twenty-one million, one hundred two thousand, one hundred two".