2000504640 has 56 divisors (see below), whose sum is σ = 6351605280. Its totient is φ = 533467648.

The previous prime is 2000504633. The next prime is 2000504647. The reversal of 2000504640 is 464050002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000504633) and next prime (2000504647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000504647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040970 + ... + 1042889.

Almost surely, 2^2000504640 is an apocalyptic number.

2000504640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000504640 is an abundant number, since it is smaller than the sum of its proper divisors (4351100640).

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

2000504640 is a wasteful number, since it uses less digits than its factorization.

2000504640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083879 (or 2083869 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2000504640 is about 44727.0012408612. The cubic root of 2000504640 is about 1260.0270087433.

Adding to 2000504640 its reverse (464050002), we get a palindrome (2464554642).

The spelling of 2000504640 in words is "two billion, five hundred four thousand, six hundred forty".