20533550242 has 32 divisors (see below), whose sum is σ = 32460341760. Its totient is φ = 9722549760.

The previous prime is 20533550231. The next prime is 20533550269. The reversal of 20533550242 is 24205533502.

20533550242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 6397134 + ... + 6400342.

It is an arithmetic number, because the mean of its divisors is an integer number (1014385680).

Almost surely, 2^20533550242 is an apocalyptic number.

20533550242 is a deficient number, since it is larger than the sum of its proper divisors (11926791518).

20533550242 is a wasteful number, since it uses less digits than its factorization.

20533550242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 20533550242 in words is "twenty billion, five hundred thirty-three million, five hundred fifty thousand, two hundred forty-two".