205969412 has 24 divisors (see below), whose sum is σ = 397276320. Its totient is φ = 92655360.

The previous prime is 205969411. The next prime is 205969447. The reversal of 205969412 is 214969502.

It is not an unprimeable number, because it can be changed into a prime (205969411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19862 + ... + 28397.

It is an arithmetic number, because the mean of its divisors is an integer number (16553180).

Almost surely, 2^205969412 is an apocalyptic number.

205969412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205969412 is a deficient number, since it is larger than the sum of its proper divisors (191306908).

205969412 is a wasteful number, since it uses less digits than its factorization.

205969412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48371 (or 48369 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 205969412 is about 14351.6344713764. The cubic root of 205969412 is about 590.5648253766.

The spelling of 205969412 in words is "two hundred five million, nine hundred sixty-nine thousand, four hundred twelve".