20114541555 has 32 divisors (see below), whose sum is σ = 33591366144. Its totient is φ = 10258634496.

The previous prime is 20114541553. The next prime is 20114541569. The reversal of 20114541555 is 55514541102.

It is a happy number.

It is not a de Polignac number, because 20114541555 - 2¹ = 20114541553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20114541553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2420167 + ... + 2428463.

It is an arithmetic number, because the mean of its divisors is an integer number (1049730192).

Almost surely, 2^20114541555 is an apocalyptic number.

20114541555 is a deficient number, since it is larger than the sum of its proper divisors (13476824589).

20114541555 is a wasteful number, since it uses less digits than its factorization.

20114541555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15355.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 20114541555 in words is "twenty billion, one hundred fourteen million, five hundred forty-one thousand, five hundred fifty-five".