1020006536 has 8 divisors (see below), whose sum is σ = 1912512270. Its totient is φ = 510003264.

The previous prime is 1020006527. The next prime is 1020006541. The reversal of 1020006536 is 6356000201.

It can be written as a sum of positive squares in only one way, i.e., 1019524900 + 481636 = 31930^2 + 694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63750401 + ... + 63750416.

Almost surely, 2^1020006536 is an apocalyptic number.

It is an amenable number.

1020006536 is a deficient number, since it is larger than the sum of its proper divisors (892505734).

1020006536 is a wasteful number, since it uses less digits than its factorization.

1020006536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127500823 (or 127500819 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1020006536 is about 31937.5411702279. The cubic root of 1020006536 is about 1006.6248596490.

Adding to 1020006536 its reverse (6356000201), we get a palindrome (7376006737).

The spelling of 1020006536 in words is "one billion, twenty million, six thousand, five hundred thirty-six".