2000256510 has 32 divisors (see below), whose sum is σ = 5486418432. Its totient is φ = 457201440.

The previous prime is 2000256509. The next prime is 2000256529. The reversal of 2000256510 is 156520002.

It is a super-2 number, since 2×2000256510² = 8002052211594760200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4762306 + ... + 4762725.

It is an arithmetic number, because the mean of its divisors is an integer number (171450576).

Almost surely, 2^2000256510 is an apocalyptic number.

2000256510 is an abundant number, since it is smaller than the sum of its proper divisors (3486161922).

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

2000256510 is a wasteful number, since it uses less digits than its factorization.

2000256510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525048.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2000256510 is about 44724.2273270316. The cubic root of 2000256510 is about 1259.9749113170.

Adding to 2000256510 its reverse (156520002), we get a palindrome (2156776512).

The spelling of 2000256510 in words is "two billion, two hundred fifty-six thousand, five hundred ten".