20343102132 has 24 divisors (see below), whose sum is σ = 47596587136. Its totient is φ = 6762555648.

The previous prime is 20343102121. The next prime is 20343102137. The reversal of 20343102132 is 23120134302.

It is a junction number, because it is equal to n+sod(n) for n = 20343102099 and 20343102108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343102137) by changing a digit.

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, 2305213 + ... + 2314020.

Almost surely, 2^20343102132 is an apocalyptic number.

It is an amenable number.

20343102132 is an abundant number, since it is smaller than the sum of its proper divisors (27253485004).

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

20343102132 is a wasteful number, since it uses less digits than its factorization.

20343102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619607 (or 4619605 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20343102132 its reverse (23120134302), we get a palindrome (43463236434).

The spelling of 20343102132 in words is "twenty billion, three hundred forty-three million, one hundred two thousand, one hundred thirty-two".