206520512 has 56 divisors (see below), whose sum is σ = 461540352. Its totient is φ = 90835200.

The previous prime is 206520497. The next prime is 206520533. The reversal of 206520512 is 215025602.

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, 17093 + ... + 26555.

It is an arithmetic number, because the mean of its divisors is an integer number (8241792).

Almost surely, 2^206520512 is an apocalyptic number.

206520512 is a gapful number since it is divisible by the number (22) 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 206520512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230770176).

206520512 is an abundant number, since it is smaller than the sum of its proper divisors (255019840).

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

206520512 is a wasteful number, since it uses less digits than its factorization.

206520512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517 (or 9507 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 206520512 is about 14370.8215492365. The cubic root of 206520512 is about 591.0910692677.

The spelling of 206520512 in words is "two hundred six million, five hundred twenty thousand, five hundred twelve".