20127400415 has 32 divisors (see below), whose sum is σ = 25012402560. Its totient is φ = 15536669184.

The previous prime is 20127400369. The next prime is 20127400417. The reversal of 20127400415 is 51400472102.

It is a cyclic number.

It is not a de Polignac number, because 20127400415 - 2¹⁸ = 20127138271 is a prime.

It is a super-2 number, since 2×20127400415² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127400417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22691102 + ... + 22691988.

It is an arithmetic number, because the mean of its divisors is an integer number (781637580).

Almost surely, 2^20127400415 is an apocalyptic number.

20127400415 is a deficient number, since it is larger than the sum of its proper divisors (4885002145).

20127400415 is a wasteful number, since it uses less digits than its factorization.

20127400415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 20127400415 its reverse (51400472102), we get a palindrome (71527872517).

The spelling of 20127400415 in words is "twenty billion, one hundred twenty-seven million, four hundred thousand, four hundred fifteen".