20352320505535 has 32 divisors (see below), whose sum is σ = 25892143542720. Its totient is φ = 15304714887168.

The previous prime is 20352320505449. The next prime is 20352320505571. The reversal of 20352320505535 is 53550502325302.

It is not a de Polignac number, because 20352320505535 - 2¹³ = 20352320497343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414153996 + ... + 414203134.

It is an arithmetic number, because the mean of its divisors is an integer number (809129485710).

Almost surely, 2^{20352320505535} is an apocalyptic number.

20352320505535 is a deficient number, since it is larger than the sum of its proper divisors (5539823037185).

20352320505535 is a wasteful number, since it uses less digits than its factorization.

20352320505535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55227.

The product of its (nonzero) digits is 675000, while the sum is 40.

The spelling of 20352320505535 in words is "twenty trillion, three hundred fifty-two billion, three hundred twenty million, five hundred five thousand, five hundred thirty-five".