20440072327 has 8 divisors (see below), whose sum is σ = 20518953840. Its totient is φ = 20361253440.

The previous prime is 20440072321. The next prime is 20440072337. The reversal of 20440072327 is 72327004402.

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

It is a cyclic number.

It is not a de Polignac number, because 20440072327 - 2⁷ = 20440072199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20440072321) by changing a digit.

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, 700924 + ... + 729502.

It is an arithmetic number, because the mean of its divisors is an integer number (2564869230).

Almost surely, 2^20440072327 is an apocalyptic number.

20440072327 is a deficient number, since it is larger than the sum of its proper divisors (78881513).

20440072327 is a wasteful number, since it uses less digits than its factorization.

20440072327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31313.

The product of its (nonzero) digits is 18816, while the sum is 31.

Adding to 20440072327 its reverse (72327004402), we get a palindrome (92767076729).

The spelling of 20440072327 in words is "twenty billion, four hundred forty million, seventy-two thousand, three hundred twenty-seven".