20372332047 has 8 divisors (see below), whose sum is σ = 27263343360. Its totient is φ = 13531437720.

The previous prime is 20372332039. The next prime is 20372332063. The reversal of 20372332047 is 74023327302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20372332047 - 2³ = 20372332039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20372331999 and 20372332017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20372339047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12528297 + ... + 12529922.

It is an arithmetic number, because the mean of its divisors is an integer number (3407917920).

Almost surely, 2^20372332047 is an apocalyptic number.

20372332047 is a deficient number, since it is larger than the sum of its proper divisors (6891011313).

20372332047 is a wasteful number, since it uses less digits than its factorization.

20372332047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25058493.

The product of its (nonzero) digits is 42336, while the sum is 33.

Adding to 20372332047 its reverse (74023327302), we get a palindrome (94395659349).

The spelling of 20372332047 in words is "twenty billion, three hundred seventy-two million, three hundred thirty-two thousand, forty-seven".