209300902900 has 36 divisors (see below), whose sum is σ = 463846436928. Its totient is φ = 81939075040.

The previous prime is 209300902871. The next prime is 209300902901. The reversal of 209300902900 is 9209003902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209300902901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22261354 + ... + 22270753.

It is an arithmetic number, because the mean of its divisors is an integer number (12884623248).

Almost surely, 2^209300902900 is an apocalyptic number.

209300902900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

209300902900 is an abundant number, since it is smaller than the sum of its proper divisors (254545534028).

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

209300902900 is a wasteful number, since it uses less digits than its factorization.

209300902900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44532168 (or 44532161 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 209300902900 in words is "two hundred nine billion, three hundred million, nine hundred two thousand, nine hundred".