206326900 has 72 divisors (see below), whose sum is σ = 493517024. Its totient is φ = 74390400.

The previous prime is 206326877. The next prime is 206326957. The reversal of 206326900 is 9623602.

It is a super-2 number, since 2×206326900² = 85141579327220000, which contains 22 as substring.

It is a congruent number.

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, 54055 + ... + 57745.

Almost surely, 2^206326900 is an apocalyptic number.

206326900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206326900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246758512).

206326900 is an abundant number, since it is smaller than the sum of its proper divisors (287190124).

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

206326900 is a wasteful number, since it uses less digits than its factorization.

206326900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3754 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 206326900 is about 14364.0836811820. The cubic root of 206326900 is about 590.9062964903.

The spelling of 206326900 in words is "two hundred six million, three hundred twenty-six thousand, nine hundred".