20040514545 has 8 divisors (see below), whose sum is σ = 32064823296. Its totient is φ = 10688274416.

The previous prime is 20040514531. The next prime is 20040514547. The reversal of 20040514545 is 54541504002.

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

It is a cyclic number.

It is not a de Polignac number, because 20040514545 - 2⁹ = 20040514033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20040514547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668017137 + ... + 668017166.

It is an arithmetic number, because the mean of its divisors is an integer number (4008102912).

Almost surely, 2^20040514545 is an apocalyptic number.

It is an amenable number.

20040514545 is a deficient number, since it is larger than the sum of its proper divisors (12024308751).

20040514545 is a wasteful number, since it uses less digits than its factorization.

20040514545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336034311.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 20040514545 in words is "twenty billion, forty million, five hundred fourteen thousand, five hundred forty-five".