20146764272027 has 4 divisors (see below), whose sum is σ = 20335051788696. Its totient is φ = 19958476755360.

The previous prime is 20146764272017. The next prime is 20146764272059. The reversal of 20146764272027 is 72027246764102.

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 20146764272027 - 2²² = 20146760077723 is a prime.

It is a super-2 number, since 2×20146764272027² (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 (20146764272017) 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, 94143758174 + ... + 94143758387.

It is an arithmetic number, because the mean of its divisors is an integer number (5083762947174).

Almost surely, 2^{20146764272027} is an apocalyptic number.

20146764272027 is a deficient number, since it is larger than the sum of its proper divisors (188287516669).

20146764272027 is a wasteful number, since it uses less digits than its factorization.

20146764272027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188287516668.

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 20146764272027 in words is "twenty trillion, one hundred forty-six billion, seven hundred sixty-four million, two hundred seventy-two thousand, twenty-seven".