1020331012 has 24 divisors (see below), whose sum is σ = 1855949760. Its totient is φ = 490227360.

The previous prime is 1020331003. The next prime is 1020331033. The reversal of 1020331012 is 2101330201.

It is a junction number, because it is equal to n+sod(n) for n = 1020330983 and 1020331001.

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, 3633 + ... + 45319.

It is an arithmetic number, because the mean of its divisors is an integer number (77331240).

Almost surely, 2^1020331012 is an apocalyptic number.

It is an amenable number.

1020331012 is a deficient number, since it is larger than the sum of its proper divisors (835618748).

1020331012 is a wasteful number, since it uses less digits than its factorization.

1020331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41931 (or 41929 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1020331012 is about 31942.6206188534. The cubic root of 1020331012 is about 1006.7315880434.

Adding to 1020331012 its reverse (2101330201), we get a palindrome (3121661213).

The spelling of 1020331012 in words is "one billion, twenty million, three hundred thirty-one thousand, twelve".