20201321321210 has 64 divisors (see below), whose sum is σ = 37513858696704. Its totient is φ = 7826682988800.

The previous prime is 20201321321197. The next prime is 20201321321239. The reversal of 20201321321210 is 1212312310202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88835555 + ... + 89062665.

It is an arithmetic number, because the mean of its divisors is an integer number (586154042136).

Almost surely, 2^{20201321321210} is an apocalyptic number.

20201321321210 is a deficient number, since it is larger than the sum of its proper divisors (17312537375494).

20201321321210 is a wasteful number, since it uses less digits than its factorization.

20201321321210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228239.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20201321321210 its reverse (1212312310202), we get a palindrome (21413633631412).

The spelling of 20201321321210 in words is "twenty trillion, two hundred one billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred ten".