205214616240234 has 16 divisors (see below), whose sum is σ = 410433429028320. Its totient is φ = 68404172655440.

The previous prime is 205214616240229. The next prime is 205214616240251. The reversal of 205214616240234 is 432042616412502.

It is a super-2 number, since 2×205214616240234² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174220272 + ... + 175394219.

It is an arithmetic number, because the mean of its divisors is an integer number (25652089314270).

Almost surely, 2^{205214616240234} is an apocalyptic number.

205214616240234 is an abundant number, since it is smaller than the sum of its proper divisors (205218812788086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205214616240234 is a wasteful number, since it uses less digits than its factorization.

205214616240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349712325.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 205214616240234 in words is "two hundred five trillion, two hundred fourteen billion, six hundred sixteen million, two hundred forty thousand, two hundred thirty-four".