20012202210 has 768 divisors, whose sum is σ = 70425427968. Its totient is φ = 3570739200.

The previous prime is 20012202169. The next prime is 20012202277. The reversal of 20012202210 is 1220221002.

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 383 ways as a sum of consecutive naturals, for example, 241110829 + ... + 241110911.

It is an arithmetic number, because the mean of its divisors is an integer number (91699776).

Almost surely, 2^20012202210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012202210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35212713984).

20012202210 is an abundant number, since it is smaller than the sum of its proper divisors (50413225758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012202210 is a wasteful number, since it uses less digits than its factorization.

20012202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012202210 its reverse (1220221002), we get a palindrome (21232423212).

It can be divided in two parts, 20012 and 202210, that added together give a palindrome (222222).

The spelling of 20012202210 in words is "twenty billion, twelve million, two hundred two thousand, two hundred ten".