206720532 has 48 divisors (see below), whose sum is σ = 564155200. Its totient is φ = 65279520.

The previous prime is 206720531. The next prime is 206720539. The reversal of 206720532 is 235027602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 206720496 and 206720505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206720531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48319 + ... + 52422.

Almost surely, 2^206720532 is an apocalyptic number.

It is an amenable number.

206720532 is an abundant number, since it is smaller than the sum of its proper divisors (357434668).

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

206720532 is a wasteful number, since it uses less digits than its factorization.

206720532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100773 (or 100765 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 206720532 is about 14377.7791052721. The cubic root of 206720532 is about 591.2818362534.

The spelling of 206720532 in words is "two hundred six million, seven hundred twenty thousand, five hundred thirty-two".