205551060 has 96 divisors (see below), whose sum is σ = 676190592. Its totient is φ = 45995520.

The previous prime is 205551037. The next prime is 205551067. The reversal of 205551060 is 60155502.

It is a self number, because there is not a number n which added to its sum of digits gives 205551060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205551067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3399 + ... + 20558.

It is an arithmetic number, because the mean of its divisors is an integer number (7043652).

Almost surely, 2^205551060 is an apocalyptic number.

205551060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205551060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338095296).

205551060 is an abundant number, since it is smaller than the sum of its proper divisors (470639532).

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

205551060 is a wasteful number, since it uses less digits than its factorization.

205551060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23993 (or 23991 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 205551060 is about 14337.0519982317. The cubic root of 205551060 is about 590.1647150948.

The spelling of 205551060 in words is "two hundred five million, five hundred fifty-one thousand, sixty".