20414040251143 has 16 divisors (see below), whose sum is σ = 26557847963136. Its totient is φ = 15215433726240.

The previous prime is 20414040251123. The next prime is 20414040251173. The reversal of 20414040251143 is 34115204041402.

It is a happy number.

It is not a de Polignac number, because 20414040251143 - 2⁹ = 20414040250631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414040251123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5763420096 + ... + 5763423637.

It is an arithmetic number, because the mean of its divisors is an integer number (1659865497696).

Almost surely, 2^{20414040251143} is an apocalyptic number.

20414040251143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20414040251143 is a deficient number, since it is larger than the sum of its proper divisors (6143807711993).

20414040251143 is a wasteful number, since it uses less digits than its factorization.

20414040251143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526843774.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 20414040251143 its reverse (34115204041402), we get a palindrome (54529244292545).

The spelling of 20414040251143 in words is "twenty trillion, four hundred fourteen billion, forty million, two hundred fifty-one thousand, one hundred forty-three".