20366750123 has 16 divisors (see below), whose sum is σ = 22428887040. Its totient is φ = 18423662400.

The previous prime is 20366750119. The next prime is 20366750167. The reversal of 20366750123 is 32105766302.

It is a cyclic number.

It is not a de Polignac number, because 20366750123 - 2² = 20366750119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20366750323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 241523 + ... + 314748.

It is an arithmetic number, because the mean of its divisors is an integer number (1401805440).

Almost surely, 2^20366750123 is an apocalyptic number.

20366750123 is a deficient number, since it is larger than the sum of its proper divisors (2062136917).

20366750123 is a wasteful number, since it uses less digits than its factorization.

20366750123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556378.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 20366750123 in words is "twenty billion, three hundred sixty-six million, seven hundred fifty thousand, one hundred twenty-three".