20146650550207 has 16 divisors (see below), whose sum is σ = 20220631421760. Its totient is φ = 20072839675392.

The previous prime is 20146650550189. The next prime is 20146650550211. The reversal of 20146650550207 is 70205505664102.

It is a cyclic number.

It is not a de Polignac number, because 20146650550207 - 2⁴³ = 11350557527999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146650550007) 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, 735346033 + ... + 735373429.

It is an arithmetic number, because the mean of its divisors is an integer number (1263789463860).

Almost surely, 2^{20146650550207} is an apocalyptic number.

20146650550207 is a deficient number, since it is larger than the sum of its proper divisors (73980871553).

20146650550207 is a wasteful number, since it uses less digits than its factorization.

20146650550207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30402.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 20146650550207 in words is "twenty trillion, one hundred forty-six billion, six hundred fifty million, five hundred fifty thousand, two hundred seven".