206622052 has 72 divisors (see below), whose sum is σ = 457106496. Its totient is φ = 79579584.

The previous prime is 206622019. The next prime is 206622061. The reversal of 206622052 is 250226602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672883 + ... + 673189.

Almost surely, 2^206622052 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 206622052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228553248).

206622052 is an abundant number, since it is smaller than the sum of its proper divisors (250484444).

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

206622052 is a wasteful number, since it uses less digits than its factorization.

206622052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 206622052 is about 14374.3539680919. The cubic root of 206622052 is about 591.1879273678.

Adding to 206622052 its reverse (250226602), we get a palindrome (456848654).

The spelling of 206622052 in words is "two hundred six million, six hundred twenty-two thousand, fifty-two".