206054706 has 128 divisors (see below), whose sum is σ = 511967232. Its totient is φ = 54432000.

The previous prime is 206054687. The next prime is 206054731. The reversal of 206054706 is 607450602.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1622415 + ... + 1622541.

It is an arithmetic number, because the mean of its divisors is an integer number (3999744).

Almost surely, 2^206054706 is an apocalyptic number.

206054706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 206054706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255983616).

206054706 is an abundant number, since it is smaller than the sum of its proper divisors (305912526).

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

206054706 is a wasteful number, since it uses less digits than its factorization.

206054706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 206054706 is about 14354.6057417123. The cubic root of 206054706 is about 590.6463337329.

The spelling of 206054706 in words is "two hundred six million, fifty-four thousand, seven hundred six".