206532520632 has 128 divisors (see below), whose sum is σ = 590484787200. Its totient is φ = 66846124800.

The previous prime is 206532520631. The next prime is 206532520633. The reversal of 206532520632 is 236025235602.

206532520632 is a `hidden beast` number, since 20 + 6 + 53 + 2 + 520 + 63 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (206532520631) and next prime (206532520633).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206532520631) 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, 1813353 + ... + 1923879.

It is an arithmetic number, because the mean of its divisors is an integer number (4613162400).

Almost surely, 2^206532520632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206532520632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295242393600).

206532520632 is an abundant number, since it is smaller than the sum of its proper divisors (383952266568).

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

206532520632 is a wasteful number, since it uses less digits than its factorization.

206532520632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110794 (or 110784 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 206532520632 in words is "two hundred six billion, five hundred thirty-two million, five hundred twenty thousand, six hundred thirty-two".