1606010020 has 12 divisors (see below), whose sum is σ = 3372621084. Its totient is φ = 642404000.

The previous prime is 1606010011. The next prime is 1606010041. The reversal of 1606010020 is 200106061.

It can be written as a sum of positive squares in 2 ways, for example, as 247055524 + 1358954496 = 15718^2 + 36864^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1606009976 and 1606010003.

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, 40150231 + ... + 40150270.

It is an arithmetic number, because the mean of its divisors is an integer number (281051757).

Almost surely, 2^1606010020 is an apocalyptic number.

1606010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606010020 is an abundant number, since it is smaller than the sum of its proper divisors (1766611064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606010020 is a wasteful number, since it uses less digits than its factorization.

1606010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80300510 (or 80300508 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1606010020 is about 40075.0548346475. The cubic root of 1606010020 is about 1171.0697159059.

Adding to 1606010020 its reverse (200106061), we get a palindrome (1806116081).

The spelling of 1606010020 in words is "one billion, six hundred six million, ten thousand, twenty".