205061626 has 64 divisors (see below), whose sum is σ = 395974656. Its totient is φ = 77342400.

The previous prime is 205061587. The next prime is 205061641. The reversal of 205061626 is 626160502.

205061626 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

205061626 is a nontrivial binomial coefficient, being equal to C(20252, 2).

It is a junction number, because it is equal to n+sod(n) for n = 205061594 and 205061603.

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, 779571 + ... + 779833.

It is an arithmetic number, because the mean of its divisors is an integer number (6187104).

Almost surely, 2^205061626 is an apocalyptic number.

205061626 is the 20251-st triangular number and also the 10126-th hexagonal number.

205061626 is the 6751-st centered nonagonal number.

205061626 is a deficient number, since it is larger than the sum of its proper divisors (190913030).

205061626 is a wasteful number, since it uses less digits than its factorization.

205061626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 205061626 is about 14319.9729748348. The cubic root of 205061626 is about 589.6959325665.

The spelling of 205061626 in words is "two hundred five million, sixty-one thousand, six hundred twenty-six".