206106720 has 48 divisors (see below), whose sum is σ = 649237680. Its totient is φ = 54961664.

The previous prime is 206106707. The next prime is 206106757. The reversal of 206106720 is 27601602.

It is a happy number.

206106720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 214215 + ... + 215174.

It is an arithmetic number, because the mean of its divisors is an integer number (13525785).

Almost surely, 2^206106720 is an apocalyptic number.

206106720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206106720 is an abundant number, since it is smaller than the sum of its proper divisors (443130960).

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

206106720 is a wasteful number, since it uses less digits than its factorization.

206106720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429407 (or 429399 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 206106720 is about 14356.4173803913. The cubic root of 206106720 is about 590.6960281310.

The spelling of 206106720 in words is "two hundred six million, one hundred six thousand, seven hundred twenty".