20002120011010 has 8 divisors (see below), whose sum is σ = 36003816019836. Its totient is φ = 8000848004400.

The previous prime is 20002120011007. The next prime is 20002120011011. The reversal of 20002120011010 is 1011002120002.

It can be written as a sum of positive squares in 2 ways, for example, as 18372787749801 + 1629332261209 = 4286349^2 + 1276453^2 .

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 (10), and also a Moran number because the ratio is a prime number: 2000212001101 = 20002120011010 / (2 + 0 + 0 + 0 + 2 + 1 + 2 + 0 + 0 + 1 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (20002120011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000106000541 + ... + 1000106000560.

Almost surely, 2^{20002120011010} is an apocalyptic number.

20002120011010 is a deficient number, since it is larger than the sum of its proper divisors (16001696008826).

20002120011010 is a wasteful number, since it uses less digits than its factorization.

20002120011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000212001108.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20002120011010 its reverse (1011002120002), we get a palindrome (21013122131012).

The spelling of 20002120011010 in words is "twenty trillion, two billion, one hundred twenty million, eleven thousand, ten".