20053552145 has 8 divisors (see below), whose sum is σ = 26251922880. Its totient is φ = 14584401520.

The previous prime is 20053552117. The next prime is 20053552153. The reversal of 20053552145 is 54125535002.

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

It is not a de Polignac number, because 20053552145 - 2³⁰ = 18979810321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182304965 + ... + 182305074.

It is an arithmetic number, because the mean of its divisors is an integer number (3281490360).

Almost surely, 2^20053552145 is an apocalyptic number.

It is an amenable number.

20053552145 is a deficient number, since it is larger than the sum of its proper divisors (6198370735).

20053552145 is a wasteful number, since it uses less digits than its factorization.

20053552145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364610055.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 20053552145 in words is "twenty billion, fifty-three million, five hundred fifty-two thousand, one hundred forty-five".