1020111332 has 12 divisors (see below), whose sum is σ = 1788705660. Its totient is φ = 509052576.

The previous prime is 1020111329. The next prime is 1020111347. The reversal of 1020111332 is 2331110201.

It can be written as a sum of positive squares in 2 ways, for example, as 933546916 + 86564416 = 30554^2 + 9304^2 .

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 3 ways as a sum of consecutive naturals, for example, 248483 + ... + 252554.

It is an arithmetic number, because the mean of its divisors is an integer number (149058805).

Almost surely, 2^1020111332 is an apocalyptic number.

It is an amenable number.

1020111332 is a deficient number, since it is larger than the sum of its proper divisors (768594328).

1020111332 is a wasteful number, since it uses less digits than its factorization.

1020111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501550 (or 501548 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1020111332 is about 31939.1817678537. The cubic root of 1020111332 is about 1006.6593321883.

Adding to 1020111332 its reverse (2331110201), we get a palindrome (3351221533).

The spelling of 1020111332 in words is "one billion, twenty million, one hundred eleven thousand, three hundred thirty-two".