20041415155 has 4 divisors (see below), whose sum is σ = 24049698192. Its totient is φ = 16033132120.

The previous prime is 20041415143. The next prime is 20041415167. The reversal of 20041415155 is 55151414002.

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

It is an interprime number because it is at equal distance from previous prime (20041415143) and next prime (20041415167).

It is a de Polignac number, because none of the positive numbers 2^k-20041415155 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, 2004141511 + ... + 2004141520.

It is an arithmetic number, because the mean of its divisors is an integer number (6012424548).

Almost surely, 2^20041415155 is an apocalyptic number.

20041415155 is a deficient number, since it is larger than the sum of its proper divisors (4008283037).

20041415155 is an equidigital number, since it uses as much as digits as its factorization.

20041415155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008283036.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 20041415155 its reverse (55151414002), we get a palindrome (75192829157).

The spelling of 20041415155 in words is "twenty billion, forty-one million, four hundred fifteen thousand, one hundred fifty-five".