205415222514 has 32 divisors (see below), whose sum is σ = 420609361920. Its totient is φ = 66843623952.

The previous prime is 205415222491. The next prime is 205415222549. The reversal of 205415222514 is 415222514502.

It is a super-2 number, since 2×205415222514² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272919 + ... + 696645.

It is an arithmetic number, because the mean of its divisors is an integer number (13144042560).

Almost surely, 2^205415222514 is an apocalyptic number.

205415222514 is an abundant number, since it is smaller than the sum of its proper divisors (215194139406).

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

205415222514 is a wasteful number, since it uses less digits than its factorization.

205415222514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425654.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 205415222514 in words is "two hundred five billion, four hundred fifteen million, two hundred twenty-two thousand, five hundred fourteen".