206301900 has 144 divisors (see below), whose sum is σ = 704399360. Its totient is φ = 45619200.

The previous prime is 206301889. The next prime is 206301923. The reversal of 206301900 is 9103602.

It is a super-2 number, since 2×206301900² = 85120947887220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63516 + ... + 66684.

Almost surely, 2^206301900 is an apocalyptic number.

206301900 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 206301900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352199680).

206301900 is an abundant number, since it is smaller than the sum of its proper divisors (498097460).

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

206301900 is a wasteful number, since it uses less digits than its factorization.

206301900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 206301900 is about 14363.2134287561. The cubic root of 206301900 is about 590.8824294229.

The spelling of 206301900 in words is "two hundred six million, three hundred one thousand, nine hundred".