1020011010020 has 96 divisors (see below), whose sum is σ = 2166342264576. Its totient is φ = 403406438400.

The previous prime is 1020011010001. The next prime is 1020011010023. The reversal of 1020011010020 is 200101100201.

It is not an unprimeable number, because it can be changed into a prime (1020011010023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528228455 + ... + 528230385.

It is an arithmetic number, because the mean of its divisors is an integer number (22566065256).

Almost surely, 2^{1020011010020} is an apocalyptic number.

1020011010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020011010020 is an abundant number, since it is smaller than the sum of its proper divisors (1146331254556).

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

1020011010020 is a wasteful number, since it uses less digits than its factorization.

1020011010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1020011010020 its reverse (200101100201), we get a palindrome (1220112110221).

The spelling of 1020011010020 in words is "one trillion, twenty billion, eleven million, ten thousand, twenty".