205435541421202 has 32 divisors (see below), whose sum is σ = 318935401257600. Its totient is φ = 99127214997888.

The previous prime is 205435541421167. The next prime is 205435541421337. The reversal of 205435541421202 is 202124145534502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3634776699 + ... + 3634833217.

It is an arithmetic number, because the mean of its divisors is an integer number (9966731289300).

Almost surely, 2^{205435541421202} is an apocalyptic number.

205435541421202 is a deficient number, since it is larger than the sum of its proper divisors (113499859836398).

205435541421202 is a wasteful number, since it uses less digits than its factorization.

205435541421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86130.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 205435541421202 its reverse (202124145534502), we get a palindrome (407559686955704).

The spelling of 205435541421202 in words is "two hundred five trillion, four hundred thirty-five billion, five hundred forty-one million, four hundred twenty-one thousand, two hundred two".