200505542097 has 16 divisors (see below), whose sum is σ = 308387699712. Its totient is φ = 113503803600.

The previous prime is 200505542093. The next prime is 200505542099. The reversal of 200505542097 is 790245505002.

It is not a de Polignac number, because 200505542097 - 2² = 200505542093 is a prime.

It is a super-2 number, since 2×200505542097² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200505542093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44614029 + ... + 44618522.

It is an arithmetic number, because the mean of its divisors is an integer number (19274231232).

Almost surely, 2^200505542097 is an apocalyptic number.

It is an amenable number.

200505542097 is a deficient number, since it is larger than the sum of its proper divisors (107882157615).

200505542097 is a wasteful number, since it uses less digits than its factorization.

200505542097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89232668.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 200505542097 in words is "two hundred billion, five hundred five million, five hundred forty-two thousand, ninety-seven".