20271343070427 has 8 divisors (see below), whose sum is σ = 27072263681616. Its totient is φ = 13492325586432.

The previous prime is 20271343070411. The next prime is 20271343070437. The reversal of 20271343070427 is 72407034317202.

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

It is not a de Polignac number, because 20271343070427 - 2⁴ = 20271343070411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20271343070437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5475779638 + ... + 5475783339.

It is an arithmetic number, because the mean of its divisors is an integer number (3384032960202).

Almost surely, 2^{20271343070427} is an apocalyptic number.

20271343070427 is a deficient number, since it is larger than the sum of its proper divisors (6800920611189).

20271343070427 is a wasteful number, since it uses less digits than its factorization.

20271343070427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951563597.

The product of its (nonzero) digits is 395136, while the sum is 42.

Adding to 20271343070427 its reverse (72407034317202), we get a palindrome (92678377387629).

The spelling of 20271343070427 in words is "twenty trillion, two hundred seventy-one billion, three hundred forty-three million, seventy thousand, four hundred twenty-seven".