1020320606 has 4 divisors (see below), whose sum is σ = 1530480912. Its totient is φ = 510160302.

The previous prime is 1020320599. The next prime is 1020320633. The reversal of 1020320606 is 6060230201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255080150 + ... + 255080153.

It is an arithmetic number, because the mean of its divisors is an integer number (382620228).

Almost surely, 2^1020320606 is an apocalyptic number.

1020320606 is a deficient number, since it is larger than the sum of its proper divisors (510160306).

1020320606 is an equidigital number, since it uses as much as digits as its factorization.

1020320606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510160305.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1020320606 is about 31942.4577326166. The cubic root of 1020320606 is about 1006.7281655970.

Adding to 1020320606 its reverse (6060230201), we get a palindrome (7080550807).

The spelling of 1020320606 in words is "one billion, twenty million, three hundred twenty thousand, six hundred six".