205203253021260 has 96 divisors (see below), whose sum is σ = 619148926690560. Its totient is φ = 50480370423552.

The previous prime is 205203253021237. The next prime is 205203253021271. The reversal of 205203253021260 is 62120352302502.

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, 79985202 + ... + 82510841.

It is an arithmetic number, because the mean of its divisors is an integer number (6449467986360).

Almost surely, 2^{205203253021260} is an apocalyptic number.

205203253021260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205203253021260 is an abundant number, since it is smaller than the sum of its proper divisors (413945673669300).

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

205203253021260 is a wasteful number, since it uses less digits than its factorization.

205203253021260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162497687 (or 162497685 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 205203253021260 in words is "two hundred five trillion, two hundred three billion, two hundred fifty-three million, twenty-one thousand, two hundred sixty".