210002010110020 has 12 divisors (see below), whose sum is σ = 441004221231084. Its totient is φ = 84000804044000.

The previous prime is 210002010109979. The next prime is 210002010110059. The reversal of 210002010110020 is 20011010200012.

It can be written as a sum of positive squares in 2 ways, for example, as 86696620454404 + 123305389655616 = 9311102^2 + 11104296^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 210002010109979 and 210002010110006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250050252731 + ... + 5250050252770.

It is an arithmetic number, because the mean of its divisors is an integer number (36750351769257).

Almost surely, 2^{210002010110020} is an apocalyptic number.

210002010110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002010110020 is an abundant number, since it is smaller than the sum of its proper divisors (231002211121064).

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

210002010110020 is a wasteful number, since it uses less digits than its factorization.

210002010110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500100505510 (or 10500100505508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210002010110020 its reverse (20011010200012), we get a palindrome (230013020310032).

The spelling of 210002010110020 in words is "two hundred ten trillion, two billion, ten million, one hundred ten thousand, twenty".