1010002011020 has 24 divisors (see below), whose sum is σ = 2232636025200. Its totient is φ = 382737604032.

The previous prime is 1010002010987. The next prime is 1010002011059. The reversal of 1010002011020 is 201102000101.

It is a junction number, because it is equal to n+sod(n) for n = 1010002010989 and 1010002011007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328949635 + ... + 1328950394.

It is an arithmetic number, because the mean of its divisors is an integer number (93026501050).

Almost surely, 2^{1010002011020} is an apocalyptic number.

1010002011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010002011020 is an abundant number, since it is smaller than the sum of its proper divisors (1222634014180).

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

1010002011020 is a wasteful number, since it uses less digits than its factorization.

1010002011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657900057 (or 2657900055 counting only the distinct ones).

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

Adding to 1010002011020 its reverse (201102000101), we get a palindrome (1211104011121).

The spelling of 1010002011020 in words is "one trillion, ten billion, two million, eleven thousand, twenty".