202240000 has 130 divisors (see below), whose sum is σ = 511773680. Its totient is φ = 79872000.

The previous prime is 202239991. The next prime is 202240019. The reversal of 202240000 is 42202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2559961 + ... + 2560039.

Almost surely, 2^202240000 is an apocalyptic number.

202240000 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 202240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255886840).

202240000 is an abundant number, since it is smaller than the sum of its proper divisors (309533680).

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

202240000 is an frugal number, since it uses more digits than its factorization.

202240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 202240000 is about 14221.1110677049. Note that the first 3 decimals coincide. The cubic root of 202240000 is about 586.9787136994.

Adding to 202240000 its reverse (42202), we get a palindrome (202282202).

The spelling of 202240000 in words is "two hundred two million, two hundred forty thousand".