20014103155 has 4 divisors (see below), whose sum is σ = 24016923792. Its totient is φ = 16011282520.

The previous prime is 20014103041. The next prime is 20014103171. The reversal of 20014103155 is 55130141002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20014103155 - 2⁹ = 20014102643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001410311 + ... + 2001410320.

It is an arithmetic number, because the mean of its divisors is an integer number (6004230948).

Almost surely, 2^20014103155 is an apocalyptic number.

20014103155 is a deficient number, since it is larger than the sum of its proper divisors (4002820637).

20014103155 is an equidigital number, since it uses as much as digits as its factorization.

20014103155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002820636.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 20014103155 its reverse (55130141002), we get a palindrome (75144244157).

The spelling of 20014103155 in words is "twenty billion, fourteen million, one hundred three thousand, one hundred fifty-five".