206425632 has 96 divisors (see below), whose sum is σ = 632016000. Its totient is φ = 58969344.

The previous prime is 206425591. The next prime is 206425649. The reversal of 206425632 is 236524602.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×206425632² = 85223083093198848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206425632.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29794 + ... + 36062.

It is an arithmetic number, because the mean of its divisors is an integer number (6583500).

Almost surely, 2^206425632 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 206425632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316008000).

206425632 is an abundant number, since it is smaller than the sum of its proper divisors (425590368).

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

206425632 is an equidigital number, since it uses as much as digits as its factorization.

206425632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 206425632 is about 14367.5200365268. The cubic root of 206425632 is about 591.0005353851. Note that the first 3 decimals are identical.

The spelling of 206425632 in words is "two hundred six million, four hundred twenty-five thousand, six hundred thirty-two".