20127135142702 has 8 divisors (see below), whose sum is σ = 34503660244656. Its totient is φ = 8625915061152.

The previous prime is 20127135142637. The next prime is 20127135142703. The reversal of 20127135142702 is 20724153172102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127135142703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718826255083 + ... + 718826255110.

It is an arithmetic number, because the mean of its divisors is an integer number (4312957530582).

Almost surely, 2^{20127135142702} is an apocalyptic number.

20127135142702 is a deficient number, since it is larger than the sum of its proper divisors (14376525101954).

20127135142702 is a wasteful number, since it uses less digits than its factorization.

20127135142702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437652510202.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 20127135142702 in words is "twenty trillion, one hundred twenty-seven billion, one hundred thirty-five million, one hundred forty-two thousand, seven hundred two".