1020805052 has 12 divisors (see below), whose sum is σ = 1891491840. Its totient is φ = 480378816.

The previous prime is 1020805031. The next prime is 1020805061. The reversal of 1020805052 is 2505080201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505852 + ... + 7505987.

It is an arithmetic number, because the mean of its divisors is an integer number (157624320).

Almost surely, 2^1020805052 is an apocalyptic number.

It is an amenable number.

1020805052 is a deficient number, since it is larger than the sum of its proper divisors (870686788).

1020805052 is a wasteful number, since it uses less digits than its factorization.

1020805052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15011860 (or 15011858 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1020805052 is about 31950.0399373772. The cubic root of 1020805052 is about 1006.8874711667.

Adding to 1020805052 its reverse (2505080201), we get a palindrome (3525885253).

The spelling of 1020805052 in words is "one billion, twenty million, eight hundred five thousand, fifty-two".