206054590 has 32 divisors (see below), whose sum is σ = 428014080. Its totient is φ = 69958944.

The previous prime is 206054557. The next prime is 206054593. The reversal of 206054590 is 95450602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206054593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7080 + ... + 21499.

It is an arithmetic number, because the mean of its divisors is an integer number (13375440).

Almost surely, 2^206054590 is an apocalyptic number.

206054590 is an abundant number, since it is smaller than the sum of its proper divisors (221959490).

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

206054590 is a wasteful number, since it uses less digits than its factorization.

206054590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28696.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 206054590 is about 14354.6017011967. The cubic root of 206054590 is about 590.6462228967.

The spelling of 206054590 in words is "two hundred six million, fifty-four thousand, five hundred ninety".