20212222030 has 128 divisors (see below), whose sum is σ = 48956866560. Its totient is φ = 5802416640.

The previous prime is 20212222007. The next prime is 20212222033. The reversal of 20212222030 is 3022221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212221995 and 20212222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212222033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5093107 + ... + 5097073.

It is an arithmetic number, because the mean of its divisors is an integer number (382475520).

Almost surely, 2^20212222030 is an apocalyptic number.

20212222030 is an abundant number, since it is smaller than the sum of its proper divisors (28744644530).

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

20212222030 is a wasteful number, since it uses less digits than its factorization.

20212222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20212222030 its reverse (3022221202), we get a palindrome (23234443232).

It can be divided in two parts, 20212 and 222030, that added together give a palindrome (242242).

The spelling of 20212222030 in words is "twenty billion, two hundred twelve million, two hundred twenty-two thousand, thirty".