20323303132 has 24 divisors (see below), whose sum is σ = 38837120112. Its totient is φ = 9228796800.

The previous prime is 20323303111. The next prime is 20323303139. The reversal of 20323303132 is 23130332302.

It is a super-2 number, since 2×20323303132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323303139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181273 + ... + 271120.

It is an arithmetic number, because the mean of its divisors is an integer number (1618213338).

Almost surely, 2^20323303132 is an apocalyptic number.

20323303132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20323303132 is a deficient number, since it is larger than the sum of its proper divisors (18513816980).

20323303132 is a wasteful number, since it uses less digits than its factorization.

20323303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453429 (or 453427 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20323303132 its reverse (23130332302), we get a palindrome (43453635434).

The spelling of 20323303132 in words is "twenty billion, three hundred twenty-three million, three hundred three thousand, one hundred thirty-two".