205625620 has 24 divisors (see below), whose sum is σ = 439135200. Its totient is φ = 80855712.

The previous prime is 205625603. The next prime is 205625621. The reversal of 205625620 is 26526502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205625621) 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, 85950 + ... + 88309.

It is an arithmetic number, because the mean of its divisors is an integer number (18297300).

Almost surely, 2^205625620 is an apocalyptic number.

205625620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205625620 is an abundant number, since it is smaller than the sum of its proper divisors (233509580).

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

205625620 is a wasteful number, since it uses less digits than its factorization.

205625620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174327 (or 174325 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 205625620 is about 14339.6520180930. The cubic root of 205625620 is about 590.2360637285.

The spelling of 205625620 in words is "two hundred five million, six hundred twenty-five thousand, six hundred twenty".