20127121577373 has 8 divisors (see below), whose sum is σ = 26836267726528. Its totient is φ = 13418028239904.

The previous prime is 20127121577357. The next prime is 20127121577383. The reversal of 20127121577373 is 37377512172102.

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

It is not a de Polignac number, because 20127121577373 - 2⁴ = 20127121577357 is a prime.

It is a super-2 number, since 2×20127121577373² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127121577383) 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, 12304936 + ... + 13844337.

It is an arithmetic number, because the mean of its divisors is an integer number (3354533465816).

Almost surely, 2^{20127121577373} is an apocalyptic number.

It is an amenable number.

20127121577373 is a deficient number, since it is larger than the sum of its proper divisors (6709146149155).

20127121577373 is a wasteful number, since it uses less digits than its factorization.

20127121577373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26405843.

The product of its (nonzero) digits is 864360, while the sum is 48.

The spelling of 20127121577373 in words is "twenty trillion, one hundred twenty-seven billion, one hundred twenty-one million, five hundred seventy-seven thousand, three hundred seventy-three".