100210002010020 has 288 divisors, whose sum is σ = 351249322814208. Its totient is φ = 22651733016576.

The previous prime is 100210002010009. The next prime is 100210002010037. The reversal of 100210002010020 is 20010200012001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100210002009984 and 100210002010011.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77147044 + ... + 78435236.

It is an arithmetic number, because the mean of its divisors is an integer number (1219615704216).

Almost surely, 2^{100210002010020} is an apocalyptic number.

100210002010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100210002010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175624661407104).

100210002010020 is an abundant number, since it is smaller than the sum of its proper divisors (251039320804188).

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

100210002010020 is a wasteful number, since it uses less digits than its factorization.

100210002010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288899 (or 1288894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100210002010020 its reverse (20010200012001), we get a palindrome (120220202022021).

The spelling of 100210002010020 in words is "one hundred trillion, two hundred ten billion, two million, ten thousand, twenty".