20550053542 has 16 divisors (see below), whose sum is σ = 31196184480. Its totient is φ = 10151508928.

The previous prime is 20550053521. The next prime is 20550053569. The reversal of 20550053542 is 24535005502.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 182103 + ... + 272509.

It is an arithmetic number, because the mean of its divisors is an integer number (1949761530).

Almost surely, 2^20550053542 is an apocalyptic number.

20550053542 is a deficient number, since it is larger than the sum of its proper divisors (10646130938).

20550053542 is a wasteful number, since it uses less digits than its factorization.

20550053542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91775.

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 20550053542 in words is "twenty billion, five hundred fifty million, fifty-three thousand, five hundred forty-two".