2003640200 has 24 divisors (see below), whose sum is σ = 4658463930. Its totient is φ = 801456000.

The previous prime is 2003640187. The next prime is 2003640217. The reversal of 2003640200 is 20463002.

It can be written as a sum of positive squares in 3 ways, for example, as 1172240644 + 831399556 = 34238^2 + 28834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5008901 + ... + 5009300.

Almost surely, 2^2003640200 is an apocalyptic number.

2003640200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003640200 is an abundant number, since it is smaller than the sum of its proper divisors (2654823730).

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

2003640200 is a wasteful number, since it uses less digits than its factorization.

2003640200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10018217 (or 10018208 counting only the distinct ones).

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

The square root of 2003640200 is about 44762.0397211745. The cubic root of 2003640200 is about 1260.6849807063.

The spelling of 2003640200 in words is "two billion, three million, six hundred forty thousand, two hundred".