20213210211 has 8 divisors (see below), whose sum is σ = 28369417920. Its totient is φ = 12766237992.

The previous prime is 20213210203. The next prime is 20213210219. The reversal of 20213210211 is 11201231202.

It is an interprime number because it is at equal distance from previous prime (20213210203) and next prime (20213210219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20213210211 - 2³ = 20213210203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20213210219) by changing a digit.

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, 177308805 + ... + 177308918.

It is an arithmetic number, because the mean of its divisors is an integer number (3546177240).

Almost surely, 2^20213210211 is an apocalyptic number.

20213210211 is a deficient number, since it is larger than the sum of its proper divisors (8156207709).

20213210211 is a wasteful number, since it uses less digits than its factorization.

20213210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354617745.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20213210211 its reverse (11201231202), we get a palindrome (31414441413).

The spelling of 20213210211 in words is "twenty billion, two hundred thirteen million, two hundred ten thousand, two hundred eleven".