20001100010 has 16 divisors (see below), whose sum is σ = 36068536872. Its totient is φ = 7985649600.

The previous prime is 20001100003. The next prime is 20001100019. The reversal of 20001100010 is 1000110002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17124601321 + 2876498689 = 130861^2 + 53633^2 .

It is a super-2 number, since 2×20001100010² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 20001099967 and 20001100003.

It is not an unprimeable number, because it can be changed into a prime (20001100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843121 + ... + 1853940.

Almost surely, 2^20001100010 is an apocalyptic number.

20001100010 is a deficient number, since it is larger than the sum of its proper divisors (16067436862).

20001100010 is a wasteful number, since it uses less digits than its factorization.

20001100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697609.

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

Adding to 20001100010 its reverse (1000110002), we get a palindrome (21001210012).

The spelling of 20001100010 in words is "twenty billion, one million, one hundred thousand, ten".