20212122202 has 8 divisors (see below), whose sum is σ = 31296189312. Its totient is φ = 9780059100.

The previous prime is 20212122193. The next prime is 20212122209. The reversal of 20212122202 is 20222121202.

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

It is not an unprimeable number, because it can be changed into a prime (20212122209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163000924 + ... + 163001047.

It is an arithmetic number, because the mean of its divisors is an integer number (3912023664).

Almost surely, 2^20212122202 is an apocalyptic number.

20212122202 is a deficient number, since it is larger than the sum of its proper divisors (11084067110).

20212122202 is a wasteful number, since it uses less digits than its factorization.

20212122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326002004.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20212122202 its reverse (20222121202), we get a palindrome (40434243404).

The spelling of 20212122202 in words is "twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred two".