20552003535 has 64 divisors (see below), whose sum is σ = 39125763072. Its totient is φ = 9015929856.

The previous prime is 20552003491. The next prime is 20552003557. The reversal of 20552003535 is 53530025502.

It is not a de Polignac number, because 20552003535 - 2⁶ = 20552003471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247372 + ... + 319838.

It is an arithmetic number, because the mean of its divisors is an integer number (611340048).

Almost surely, 2^20552003535 is an apocalyptic number.

20552003535 is a deficient number, since it is larger than the sum of its proper divisors (18573759537).

20552003535 is a wasteful number, since it uses less digits than its factorization.

20552003535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72592.

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 20552003535 in words is "twenty billion, five hundred fifty-two million, three thousand, five hundred thirty-five".