20322212132 has 12 divisors (see below), whose sum is σ = 35565099696. Its totient is φ = 10160755080.

The previous prime is 20322212123. The next prime is 20322212153. The reversal of 20322212132 is 23121222302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76823 + ... + 215745.

It is an arithmetic number, because the mean of its divisors is an integer number (2963758308).

Almost surely, 2^20322212132 is an apocalyptic number.

It is an amenable number.

20322212132 is a deficient number, since it is larger than the sum of its proper divisors (15242887564).

20322212132 is a wasteful number, since it uses less digits than its factorization.

20322212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175498 (or 175496 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20322212132 its reverse (23121222302), we get a palindrome (43443434434).

The spelling of 20322212132 in words is "twenty billion, three hundred twenty-two million, two hundred twelve thousand, one hundred thirty-two".