20423413132 has 12 divisors (see below), whose sum is σ = 37294928496. Its totient is φ = 9767719280.

The previous prime is 20423413123. The next prime is 20423413133. The reversal of 20423413132 is 23131432402.

It is a junction number, because it is equal to n+sod(n) for n = 20423413097 and 20423413106.

It is not an unprimeable number, because it can be changed into a prime (20423413133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110996719 + ... + 110996902.

It is an arithmetic number, because the mean of its divisors is an integer number (3107910708).

Almost surely, 2^20423413132 is an apocalyptic number.

It is an amenable number.

20423413132 is a deficient number, since it is larger than the sum of its proper divisors (16871515364).

20423413132 is a wasteful number, since it uses less digits than its factorization.

20423413132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221993648 (or 221993646 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20423413132 its reverse (23131432402), we get a palindrome (43554845534).

The spelling of 20423413132 in words is "twenty billion, four hundred twenty-three million, four hundred thirteen thousand, one hundred thirty-two".