1020544312 has 16 divisors (see below), whose sum is σ = 1916964360. Its totient is φ = 509353824.

The previous prime is 1020544297. The next prime is 1020544313. The reversal of 1020544312 is 2134450201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020544313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110058 + ... + 118969.

Almost surely, 2^1020544312 is an apocalyptic number.

It is an amenable number.

1020544312 is a deficient number, since it is larger than the sum of its proper divisors (896420048).

1020544312 is a wasteful number, since it uses less digits than its factorization.

1020544312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229590 (or 229586 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1020544312 is about 31945.9592436978. The cubic root of 1020544312 is about 1006.8017355032.

Adding to 1020544312 its reverse (2134450201), we get a palindrome (3154994513).

The spelling of 1020544312 in words is "one billion, twenty million, five hundred forty-four thousand, three hundred twelve".