10002001010 has 8 divisors (see below), whose sum is σ = 18003601836. Its totient is φ = 4000800400.

The previous prime is 10002001003. The next prime is 10002001027. The reversal of 10002001010 is 1010020001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9707569729 + 294431281 = 98527^2 + 17159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10002000985 and 10002001003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500100041 + ... + 500100060.

Almost surely, 2^10002001010 is an apocalyptic number.

10002001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10002001010 is a deficient number, since it is larger than the sum of its proper divisors (8001600826).

10002001010 is a wasteful number, since it uses less digits than its factorization.

10002001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000200108.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10002001010 its reverse (1010020001), we get a palindrome (11012021011).

The spelling of 10002001010 in words is "ten billion, two million, one thousand, ten".