1011132020 has 12 divisors (see below), whose sum is σ = 2123377284. Its totient is φ = 404452800.

The previous prime is 1011132013. The next prime is 1011132043. The reversal of 1011132020 is 202311101.

It can be written as a sum of positive squares in 2 ways, for example, as 119990116 + 891141904 = 10954^2 + 29852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011131992 and 1011132010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25278281 + ... + 25278320.

It is an arithmetic number, because the mean of its divisors is an integer number (176948107).

Almost surely, 2^1011132020 is an apocalyptic number.

1011132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011132020 is an abundant number, since it is smaller than the sum of its proper divisors (1112245264).

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

1011132020 is a wasteful number, since it uses less digits than its factorization.

1011132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50556610 (or 50556608 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1011132020 is about 31798.3021559328. The cubic root of 1011132020 is about 1003.6969887643.

Adding to 1011132020 its reverse (202311101), we get a palindrome (1213443121).

The spelling of 1011132020 in words is "one billion, eleven million, one hundred thirty-two thousand, twenty".