10000020667 has 16 divisors (see below), whose sum is σ = 12320174272. Its totient is φ = 7904096640.

The previous prime is 10000020649. The next prime is 10000020683. The reversal of 10000020667 is 76602000001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000020667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10000020607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35617 + ... + 145837.

It is an arithmetic number, because the mean of its divisors is an integer number (770010892).

Almost surely, 2^10000020667 is an apocalyptic number.

10000020667 is a deficient number, since it is larger than the sum of its proper divisors (2320153605).

10000020667 is a wasteful number, since it uses less digits than its factorization.

10000020667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111238.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 10000020667 its reverse (76602000001), we get a palindrome (86602020668).

The spelling of 10000020667 in words is "ten billion, twenty thousand, six hundred sixty-seven".