20122212232 has 32 divisors (see below), whose sum is σ = 38910643200. Its totient is φ = 9749726784.

The previous prime is 20122212203. The next prime is 20122212233. The reversal of 20122212232 is 23221222102.

It is not an unprimeable number, because it can be changed into a prime (20122212233) 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, 186607 + ... + 273982.

It is an arithmetic number, because the mean of its divisors is an integer number (1215957600).

Almost surely, 2^20122212232 is an apocalyptic number.

It is an amenable number.

20122212232 is a deficient number, since it is larger than the sum of its proper divisors (18788430968).

20122212232 is a wasteful number, since it uses less digits than its factorization.

20122212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460765 (or 460761 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20122212232 its reverse (23221222102), we get a palindrome (43343434334).

The spelling of 20122212232 in words is "twenty billion, one hundred twenty-two million, two hundred twelve thousand, two hundred thirty-two".