1011330020 has 48 divisors (see below), whose sum is σ = 2175199488. Its totient is φ = 394790400.

The previous prime is 1011329993. The next prime is 1011330053. The reversal of 1011330020 is 200331101.

It is a junction number, because it is equal to n+sod(n) for n = 1011329983 and 1011330010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375599 + ... + 378281.

It is an arithmetic number, because the mean of its divisors is an integer number (45316656).

Almost surely, 2^1011330020 is an apocalyptic number.

1011330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011330020 is an abundant number, since it is smaller than the sum of its proper divisors (1163869468).

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

1011330020 is a wasteful number, since it uses less digits than its factorization.

1011330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1011330020 is about 31801.4153773067. The cubic root of 1011330020 is about 1003.7624991788.

Adding to 1011330020 its reverse (200331101), we get a palindrome (1211661121).

The spelling of 1011330020 in words is "one billion, eleven million, three hundred thirty thousand, twenty".