20550050542 has 8 divisors (see below), whose sum is σ = 35228658096. Its totient is φ = 8807164512.

The previous prime is 20550050513. The next prime is 20550050561. The reversal of 20550050542 is 24505005502.

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 20550050542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733930363 + ... + 733930390.

It is an arithmetic number, because the mean of its divisors is an integer number (4403582262).

Almost surely, 2^20550050542 is an apocalyptic number.

20550050542 is a deficient number, since it is larger than the sum of its proper divisors (14678607554).

20550050542 is a wasteful number, since it uses less digits than its factorization.

20550050542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467860762.

The product of its (nonzero) digits is 10000, while the sum is 28.

The spelling of 20550050542 in words is "twenty billion, five hundred fifty million, fifty thousand, five hundred forty-two".