20629198666106 has 16 divisors (see below), whose sum is σ = 31146409207584. Its totient is φ = 10247215584144.

The previous prime is 20629198666093. The next prime is 20629198666117. The reversal of 20629198666106 is 60166689192602.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38060600 + ... + 38598803.

It is an arithmetic number, because the mean of its divisors is an integer number (1946650575474).

Almost surely, 2^{20629198666106} is an apocalyptic number.

20629198666106 is a deficient number, since it is larger than the sum of its proper divisors (10517210541478).

20629198666106 is a wasteful number, since it uses less digits than its factorization.

20629198666106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76660285.

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 20629198666106 in words is "twenty trillion, six hundred twenty-nine billion, one hundred ninety-eight million, six hundred sixty-six thousand, one hundred six".