20002100020210 has 256 divisors, whose sum is σ = 47055500771328. Its totient is φ = 5940104140800.

The previous prime is 20002100020183. The next prime is 20002100020211. The reversal of 20002100020210 is 1202000120002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20002100020211) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 580477302 + ... + 580511758.

It is an arithmetic number, because the mean of its divisors is an integer number (183810549888).

Almost surely, 2^{20002100020210} is an apocalyptic number.

20002100020210 is an abundant number, since it is smaller than the sum of its proper divisors (27053400751118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002100020210 is a wasteful number, since it uses less digits than its factorization.

20002100020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34889.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20002100020210 its reverse (1202000120002), we get a palindrome (21204100140212).

The spelling of 20002100020210 in words is "twenty trillion, two billion, one hundred million, twenty thousand, two hundred ten".