20122322132 has 24 divisors (see below), whose sum is σ = 38427553920. Its totient is φ = 9143602560.

The previous prime is 20122322131. The next prime is 20122322141. The reversal of 20122322132 is 23122322102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122322131) 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, 70469 + ... + 212627.

It is an arithmetic number, because the mean of its divisors is an integer number (1601148080).

Almost surely, 2^20122322132 is an apocalyptic number.

20122322132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122322132 is a deficient number, since it is larger than the sum of its proper divisors (18305231788).

20122322132 is a wasteful number, since it uses less digits than its factorization.

20122322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145391 (or 145389 counting only the distinct ones).

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

Adding to 20122322132 its reverse (23122322102), we get a palindrome (43244644234).

The spelling of 20122322132 in words is "twenty billion, one hundred twenty-two million, three hundred twenty-two thousand, one hundred thirty-two".