20127057331354 has 8 divisors (see below), whose sum is σ = 30302818659540. Its totient is φ = 10026117778176.

The previous prime is 20127057331319. The next prime is 20127057331357. The reversal of 20127057331354 is 45313375072102.

It can be written as a sum of positive squares in 2 ways, for example, as 17559259402129 + 2567797929225 = 4190377^2 + 1602435^2 .

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

It is a super-2 number, since 2×20127057331354² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20127057331354.

It is not an unprimeable number, because it can be changed into a prime (20127057331357) 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, 18705443079 + ... + 18705444154.

Almost surely, 2^{20127057331354} is an apocalyptic number.

20127057331354 is a deficient number, since it is larger than the sum of its proper divisors (10175761328186).

20127057331354 is a wasteful number, since it uses less digits than its factorization.

20127057331354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37410887504.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 20127057331354 in words is "twenty trillion, one hundred twenty-seven billion, fifty-seven million, three hundred thirty-one thousand, three hundred fifty-four".