20066136212 has 12 divisors (see below), whose sum is σ = 35155333920. Its totient is φ = 10021755096.

The previous prime is 20066136187. The next prime is 20066136239. The reversal of 20066136212 is 21263166002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824262 + ... + 2831357.

It is an arithmetic number, because the mean of its divisors is an integer number (2929611160).

Almost surely, 2^20066136212 is an apocalyptic number.

It is an amenable number.

20066136212 is a deficient number, since it is larger than the sum of its proper divisors (15089197708).

20066136212 is a wasteful number, since it uses less digits than its factorization.

20066136212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656510 (or 5656508 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20066136212 in words is "twenty billion, sixty-six million, one hundred thirty-six thousand, two hundred twelve".