20166702002 has 16 divisors (see below), whose sum is σ = 30913246080. Its totient is φ = 9862558608.

The previous prime is 20166701923. The next prime is 20166702007. The reversal of 20166702002 is 20020766102.

It is not an unprimeable number, because it can be changed into a prime (20166702007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82949 + ... + 217287.

It is an arithmetic number, because the mean of its divisors is an integer number (1932077880).

Almost surely, 2^20166702002 is an apocalyptic number.

20166702002 is a deficient number, since it is larger than the sum of its proper divisors (10746544078).

20166702002 is a wasteful number, since it uses less digits than its factorization.

20166702002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135985.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 20166702002 in words is "twenty billion, one hundred sixty-six million, seven hundred two thousand, two".