200620340 has 24 divisors (see below), whose sum is σ = 425478312. Its totient is φ = 79452800.

The previous prime is 200620333. The next prime is 200620363. The reversal of 200620340 is 43026002.

It can be written as a sum of positive squares in 4 ways, for example, as 36626704 + 163993636 = 6052^2 + 12806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47639 + ... + 51678.

It is an arithmetic number, because the mean of its divisors is an integer number (17728263).

Almost surely, 2^200620340 is an apocalyptic number.

200620340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200620340 is an abundant number, since it is smaller than the sum of its proper divisors (224857972).

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

200620340 is a wasteful number, since it uses less digits than its factorization.

200620340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99427 (or 99425 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200620340 is about 14164.0509742093. The cubic root of 200620340 is about 585.4075519802.

Adding to 200620340 its reverse (43026002), we get a palindrome (243646342).

The spelling of 200620340 in words is "two hundred million, six hundred twenty thousand, three hundred forty".