20114541554 has 8 divisors (see below), whose sum is σ = 30303567660. Its totient is φ = 10013352336.

The previous prime is 20114541553. The next prime is 20114541569. The reversal of 20114541554 is 45514541102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17338832329 + 2775709225 = 131677^2 + 52685^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20114541554.

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 3 ways as a sum of consecutive naturals, for example, 21958649 + ... + 21959564.

Almost surely, 2^20114541554 is an apocalyptic number.

20114541554 is a deficient number, since it is larger than the sum of its proper divisors (10189026106).

20114541554 is a wasteful number, since it uses less digits than its factorization.

20114541554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43918444.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 20114541554 in words is "twenty billion, one hundred fourteen million, five hundred forty-one thousand, five hundred fifty-four".