20001200001010 has 128 divisors (see below), whose sum is σ = 39847020871680. Its totient is φ = 7196341791744.

The previous prime is 20001200001007. The next prime is 20001200001019. The reversal of 20001200001010 is 1010000210002.

It is a super-3 number, since 3×20001200001010³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001200000984 and 20001200001002.

It is not an unprimeable number, because it can be changed into a prime (20001200001019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2146277131 + ... + 2146286449.

It is an arithmetic number, because the mean of its divisors is an integer number (311304850560).

Almost surely, 2^{20001200001010} is an apocalyptic number.

20001200001010 is a deficient number, since it is larger than the sum of its proper divisors (19845820870670).

20001200001010 is a wasteful number, since it uses less digits than its factorization.

20001200001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20001200001010 its reverse (1010000210002), we get a palindrome (21011200211012).

The spelling of 20001200001010 in words is "twenty trillion, one billion, two hundred million, one thousand, ten".