205021214424235 has 32 divisors (see below), whose sum is σ = 272431050458112. Its totient is φ = 146872753466880.

The previous prime is 205021214424203. The next prime is 205021214424331. The reversal of 205021214424235 is 532424412120502.

It is a happy number.

It is not a de Polignac number, because 205021214424235 - 2⁵ = 205021214424203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205021214424194 and 205021214424203.

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, 65095939 + ... + 68172748.

It is an arithmetic number, because the mean of its divisors is an integer number (8513470326816).

Almost surely, 2^{205021214424235} is an apocalyptic number.

205021214424235 is a deficient number, since it is larger than the sum of its proper divisors (67409836033877).

205021214424235 is a wasteful number, since it uses less digits than its factorization.

205021214424235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133269123.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 205021214424235 its reverse (532424412120502), we get a palindrome (737445626544737).

The spelling of 205021214424235 in words is "two hundred five trillion, twenty-one billion, two hundred fourteen million, four hundred twenty-four thousand, two hundred thirty-five".