20423411312 has 40 divisors (see below), whose sum is σ = 42115224096. Its totient is φ = 9561194496.

The previous prime is 20423411297. The next prime is 20423411339. The reversal of 20423411312 is 21311432402.

It is a super-2 number, since 2×20423411312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142028 + ... + 247019.

Almost surely, 2^20423411312 is an apocalyptic number.

It is an amenable number.

20423411312 is an abundant number, since it is smaller than the sum of its proper divisors (21691812784).

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

20423411312 is a wasteful number, since it uses less digits than its factorization.

20423411312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389265 (or 389259 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20423411312 its reverse (21311432402), we get a palindrome (41734843714).

The spelling of 20423411312 in words is "twenty billion, four hundred twenty-three million, four hundred eleven thousand, three hundred twelve".