1020332312 has 64 divisors (see below), whose sum is σ = 1994544000. Its totient is φ = 489085696.

The previous prime is 1020332237. The next prime is 1020332329. The reversal of 1020332312 is 2132330201.

It is a super-2 number, since 2×1020332312² = 2082156053822530688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4494743 + ... + 4494969.

It is an arithmetic number, because the mean of its divisors is an integer number (31164750).

Almost surely, 2^1020332312 is an apocalyptic number.

It is an amenable number.

1020332312 is a deficient number, since it is larger than the sum of its proper divisors (974211688).

1020332312 is a wasteful number, since it uses less digits than its factorization.

1020332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020332312 is about 31942.6409678348. The cubic root of 1020332312 is about 1006.7320156009.

Adding to 1020332312 its reverse (2132330201), we get a palindrome (3152662513).

The spelling of 1020332312 in words is "one billion, twenty million, three hundred thirty-two thousand, three hundred twelve".