20001414155 has 8 divisors (see below), whose sum is σ = 24023784192. Its totient is φ = 15986406528.

The previous prime is 20001414127. The next prime is 20001414197. The reversal of 20001414155 is 55141410002.

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

It is a cyclic number.

It is not a de Polignac number, because 20001414155 - 2⁸ = 20001413899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20001414155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834622 + ... + 1845491.

It is an arithmetic number, because the mean of its divisors is an integer number (3002973024).

Almost surely, 2^20001414155 is an apocalyptic number.

20001414155 is a deficient number, since it is larger than the sum of its proper divisors (4022370037).

20001414155 is a wasteful number, since it uses less digits than its factorization.

20001414155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681205.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 20001414155 its reverse (55141410002), we get a palindrome (75142824157).

The spelling of 20001414155 in words is "twenty billion, one million, four hundred fourteen thousand, one hundred fifty-five".