1020046646 has 8 divisors (see below), whose sum is σ = 1530403200. Its totient is φ = 509912248.

The previous prime is 1020046637. The next prime is 1020046663. The reversal of 1020046646 is 6466400201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43541 + ... + 62736.

It is an arithmetic number, because the mean of its divisors is an integer number (191300400).

Almost surely, 2^1020046646 is an apocalyptic number.

1020046646 is a deficient number, since it is larger than the sum of its proper divisors (510356554).

1020046646 is a wasteful number, since it uses less digits than its factorization.

1020046646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111078.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1020046646 is about 31938.1691084508. The cubic root of 1020046646 is about 1006.6380540723.

Adding to 1020046646 its reverse (6466400201), we get a palindrome (7486446847).

The spelling of 1020046646 in words is "one billion, twenty million, forty-six thousand, six hundred forty-six".