20001002102210 has 16 divisors (see below), whose sum is σ = 36002895771456. Its totient is φ = 8000158177008.

The previous prime is 20001002102177. The next prime is 20001002102233. The reversal of 20001002102210 is 1220120010002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001002102191 and 20001002102200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29986622 + ... + 30646361.

It is an arithmetic number, because the mean of its divisors is an integer number (2250180985716).

Almost surely, 2^{20001002102210} is an apocalyptic number.

20001002102210 is a deficient number, since it is larger than the sum of its proper divisors (16001893669246).

20001002102210 is a wasteful number, since it uses less digits than its factorization.

20001002102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60665977.

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

Adding to 20001002102210 its reverse (1220120010002), we get a palindrome (21221122112212).

The spelling of 20001002102210 in words is "twenty trillion, one billion, two million, one hundred two thousand, two hundred ten".