1020305452 has 12 divisors (see below), whose sum is σ = 1788519600. Its totient is φ = 509299856.

The previous prime is 1020305443. The next prime is 1020305497. The reversal of 1020305452 is 2545030201.

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, 210523 + ... + 215314.

It is an arithmetic number, because the mean of its divisors is an integer number (149043300).

Almost surely, 2^1020305452 is an apocalyptic number.

It is an amenable number.

1020305452 is a deficient number, since it is larger than the sum of its proper divisors (768214148).

1020305452 is a wasteful number, since it uses less digits than its factorization.

1020305452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426440 (or 426438 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1020305452 is about 31942.2205239398. The cubic root of 1020305452 is about 1006.7231815315.

Adding to 1020305452 its reverse (2545030201), we get a palindrome (3565335653).

The spelling of 1020305452 in words is "one billion, twenty million, three hundred five thousand, four hundred fifty-two".