202005053517 has 32 divisors (see below), whose sum is σ = 277994786944. Its totient is φ = 130380192000.

The previous prime is 202005053489. The next prime is 202005053521. The reversal of 202005053517 is 715350500202.

It is not a de Polignac number, because 202005053517 - 2¹⁰ = 202005052493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202005053597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24931767 + ... + 24939867.

It is an arithmetic number, because the mean of its divisors is an integer number (8687337092).

Almost surely, 2^202005053517 is an apocalyptic number.

It is an amenable number.

202005053517 is a deficient number, since it is larger than the sum of its proper divisors (75989733427).

202005053517 is a wasteful number, since it uses less digits than its factorization.

202005053517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229.

The product of its (nonzero) digits is 10500, while the sum is 30.

Adding to 202005053517 its reverse (715350500202), we get a palindrome (917355553719).

The spelling of 202005053517 in words is "two hundred two billion, five million, fifty-three thousand, five hundred seventeen".