20112222030 has 16 divisors (see below), whose sum is σ = 48269332944. Its totient is φ = 5363259200.

The previous prime is 20112222029. The next prime is 20112222077. The reversal of 20112222030 is 3022221102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 335203671 + ... + 335203730.

It is an arithmetic number, because the mean of its divisors is an integer number (3016833309).

Almost surely, 2^20112222030 is an apocalyptic number.

20112222030 is an abundant number, since it is smaller than the sum of its proper divisors (28157110914).

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

20112222030 is a wasteful number, since it uses less digits than its factorization.

20112222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670407411.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20112222030 its reverse (3022221102), we get a palindrome (23134443132).

The spelling of 20112222030 in words is "twenty billion, one hundred twelve million, two hundred twenty-two thousand, thirty".