20001010012210 has 16 divisors (see below), whose sum is σ = 36002873511000. Its totient is φ = 8000169451776.

The previous prime is 20001010012163. The next prime is 20001010012259. The reversal of 20001010012210 is 1221001010002.

It can be written as a sum of positive squares in 4 ways, for example, as 7902153899929 + 12098856112281 = 2811077^2 + 3478341^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28960785 + ... + 29643364.

Almost surely, 2^{20001010012210} is an apocalyptic number.

20001010012210 is a deficient number, since it is larger than the sum of its proper divisors (16001863498790).

20001010012210 is a wasteful number, since it uses less digits than its factorization.

20001010012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58638285.

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

Adding to 20001010012210 its reverse (1221001010002), we get a palindrome (21222011022212).

The spelling of 20001010012210 in words is "twenty trillion, one billion, ten million, twelve thousand, two hundred ten".