205472833220 has 24 divisors (see below), whose sum is σ = 431903548608. Its totient is φ = 82110924000.

The previous prime is 205472833213. The next prime is 205472833231. The reversal of 205472833220 is 22338274502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4866536 + ... + 4908575.

It is an arithmetic number, because the mean of its divisors is an integer number (17995981192).

Almost surely, 2^205472833220 is an apocalyptic number.

205472833220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205472833220 is an abundant number, since it is smaller than the sum of its proper divisors (226430715388).

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

205472833220 is a wasteful number, since it uses less digits than its factorization.

205472833220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9776171 (or 9776169 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 205472833220 in words is "two hundred five billion, four hundred seventy-two million, eight hundred thirty-three thousand, two hundred twenty".