1010202100020 has 288 divisors, whose sum is σ = 3315414211200. Its totient is φ = 248110636032.

The previous prime is 1010202100013. The next prime is 1010202100049. The reversal of 1010202100020 is 200012020101.

1010202100020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 1010202099975 and 1010202100011.

It is a congruent number.

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, 210939786 + ... + 210944574.

It is an arithmetic number, because the mean of its divisors is an integer number (11511854900).

Almost surely, 2^{1010202100020} is an apocalyptic number.

1010202100020 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 1010202100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657707105600).

1010202100020 is an abundant number, since it is smaller than the sum of its proper divisors (2305212111180).

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

1010202100020 is a wasteful number, since it uses less digits than its factorization.

1010202100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527 (or 6522 counting only the distinct ones).

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

Adding to 1010202100020 its reverse (200012020101), we get a palindrome (1210214120121).

The spelling of 1010202100020 in words is "one trillion, ten billion, two hundred two million, one hundred thousand, twenty".