20332424432 has 20 divisors (see below), whose sum is σ = 39454420440. Its totient is φ = 10150638528.

The previous prime is 20332424369. The next prime is 20332424461. The reversal of 20332424432 is 23442423302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20332424395 and 20332424404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962582 + ... + 983477.

It is an arithmetic number, because the mean of its divisors is an integer number (1972721022).

Almost surely, 2^20332424432 is an apocalyptic number.

It is an amenable number.

20332424432 is a deficient number, since it is larger than the sum of its proper divisors (19121996008).

20332424432 is a wasteful number, since it uses less digits than its factorization.

20332424432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946720 (or 1946714 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20332424432 its reverse (23442423302), we get a palindrome (43774847734).

The spelling of 20332424432 in words is "twenty billion, three hundred thirty-two million, four hundred twenty-four thousand, four hundred thirty-two".