1020020010020 has 96 divisors (see below), whose sum is σ = 2498728611456. Its totient is φ = 345641216000.

The previous prime is 1020020010007. The next prime is 1020020010029. The reversal of 1020020010020 is 200100200201.

It is not an unprimeable number, because it can be changed into a prime (1020020010029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972422 + ... + 1727901.

It is an arithmetic number, because the mean of its divisors is an integer number (26028423036).

Almost surely, 2^{1020020010020} is an apocalyptic number.

1020020010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020020010020 is an abundant number, since it is smaller than the sum of its proper divisors (1478708601436).

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

1020020010020 is a wasteful number, since it uses less digits than its factorization.

1020020010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700461 (or 2700459 counting only the distinct ones).

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

Adding to 1020020010020 its reverse (200100200201), we get a palindrome (1220120210221).

The spelling of 1020020010020 in words is "one trillion, twenty billion, twenty million, ten thousand, twenty".