20272832270731 has 4 divisors (see below), whose sum is σ = 20285526594352. Its totient is φ = 20260137947112.

The previous prime is 20272832270707. The next prime is 20272832270741. The reversal of 20272832270731 is 13707223827202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20272832270731 - 2¹⁵ = 20272832237963 is a prime.

It is a super-2 number, since 2×20272832270731² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20272832270741) 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, 6347159415 + ... + 6347162608.

It is an arithmetic number, because the mean of its divisors is an integer number (5071381648588).

Almost surely, 2^{20272832270731} is an apocalyptic number.

20272832270731 is a deficient number, since it is larger than the sum of its proper divisors (12694323621).

20272832270731 is a wasteful number, since it uses less digits than its factorization.

20272832270731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694323620.

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 20272832270731 in words is "twenty trillion, two hundred seventy-two billion, eight hundred thirty-two million, two hundred seventy thousand, seven hundred thirty-one".