1020005032 has 32 divisors (see below), whose sum is σ = 2033764200. Its totient is φ = 477927424.

The previous prime is 1020005003. The next prime is 1020005053. The reversal of 1020005032 is 2305000201.

It can be written as a sum of positive squares in 4 ways, for example, as 781426116 + 238578916 = 27954^2 + 15446^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15594 + ... + 47782.

Almost surely, 2^1020005032 is an apocalyptic number.

It is an amenable number.

1020005032 is a deficient number, since it is larger than the sum of its proper divisors (1013759168).

1020005032 is a wasteful number, since it uses less digits than its factorization.

1020005032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32445 (or 32441 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1020005032 is about 31937.5176242613. The cubic root of 1020005032 is about 1006.6243648925.

Adding to 1020005032 its reverse (2305000201), we get a palindrome (3325005233).

The spelling of 1020005032 in words is "one billion, twenty million, five thousand, thirty-two".