20054542245 has 8 divisors (see below), whose sum is σ = 32087267616. Its totient is φ = 10695755856.

The previous prime is 20054542243. The next prime is 20054542259. The reversal of 20054542245 is 54224545002.

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

It is not a de Polignac number, because 20054542245 - 2¹ = 20054542243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054542243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668484727 + ... + 668484756.

It is an arithmetic number, because the mean of its divisors is an integer number (4010908452).

Almost surely, 2^20054542245 is an apocalyptic number.

It is an amenable number.

20054542245 is a deficient number, since it is larger than the sum of its proper divisors (12032725371).

20054542245 is a wasteful number, since it uses less digits than its factorization.

20054542245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336969491.

The product of its (nonzero) digits is 64000, while the sum is 33.

The spelling of 20054542245 in words is "twenty billion, fifty-four million, five hundred forty-two thousand, two hundred forty-five".