205103223292 has 48 divisors (see below), whose sum is σ = 394969397760. Its totient is φ = 92419704000.

The previous prime is 205103223239. The next prime is 205103223317. The reversal of 205103223292 is 292322301502.

It is a super-2 number, since 2×205103223292² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3203934 + ... + 3267322.

It is an arithmetic number, because the mean of its divisors is an integer number (8228529120).

Almost surely, 2^205103223292 is an apocalyptic number.

205103223292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205103223292 is a deficient number, since it is larger than the sum of its proper divisors (189866174468).

205103223292 is a wasteful number, since it uses less digits than its factorization.

205103223292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64042 (or 64040 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 205103223292 its reverse (292322301502), we get a palindrome (497425524794).

The spelling of 205103223292 in words is "two hundred five billion, one hundred three million, two hundred twenty-three thousand, two hundred ninety-two".