20213011312210 has 16 divisors (see below), whose sum is σ = 36388120594392. Its totient is φ = 8084160028800.

The previous prime is 20213011312199. The next prime is 20213011312211. The reversal of 20213011312210 is 1221311031202.

It can be written as a sum of positive squares in 4 ways, for example, as 12727134735121 + 7485876577089 = 3567511^2 + 2736033^2 .

It is not an unprimeable number, because it can be changed into a prime (20213011312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130480731 + ... + 130635550.

Almost surely, 2^{20213011312210} is an apocalyptic number.

20213011312210 is a deficient number, since it is larger than the sum of its proper divisors (16175109282182).

20213011312210 is a wasteful number, since it uses less digits than its factorization.

20213011312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261124029.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20213011312210 its reverse (1221311031202), we get a palindrome (21434322343412).

The spelling of 20213011312210 in words is "twenty trillion, two hundred thirteen billion, eleven million, three hundred twelve thousand, two hundred ten".