20212022210 has 16 divisors (see below), whose sum is σ = 36480779136. Its totient is φ = 8062777968.

The previous prime is 20212022147. The next prime is 20212022213. The reversal of 20212022210 is 1222021202.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20212022213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750012 + ... + 2757351.

It is an arithmetic number, because the mean of its divisors is an integer number (2280048696).

Almost surely, 2^20212022210 is an apocalyptic number.

20212022210 is a deficient number, since it is larger than the sum of its proper divisors (16268756926).

20212022210 is a wasteful number, since it uses less digits than its factorization.

20212022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507737.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212022210 its reverse (1222021202), we get a palindrome (21434043412).

The spelling of 20212022210 in words is "twenty billion, two hundred twelve million, twenty-two thousand, two hundred ten".