20003341155 has 64 divisors (see below), whose sum is σ = 38245201920. Its totient is φ = 8729081856.

The previous prime is 20003341153. The next prime is 20003341181. The reversal of 20003341155 is 55114330002.

It is not a de Polignac number, because 20003341155 - 2¹ = 20003341153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003341153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1221099 + ... + 1237371.

It is an arithmetic number, because the mean of its divisors is an integer number (597581280).

Almost surely, 2^20003341155 is an apocalyptic number.

20003341155 is a deficient number, since it is larger than the sum of its proper divisors (18241860765).

20003341155 is a wasteful number, since it uses less digits than its factorization.

20003341155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 20003341155 its reverse (55114330002), we get a palindrome (75117671157).

The spelling of 20003341155 in words is "twenty billion, three million, three hundred forty-one thousand, one hundred fifty-five".