20327182438 has 8 divisors (see below), whose sum is σ = 32284348632. Its totient is φ = 9565732896.

The previous prime is 20327182427. The next prime is 20327182451. The reversal of 20327182438 is 83428172302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20327182438.

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, 298929120 + ... + 298929187.

It is an arithmetic number, because the mean of its divisors is an integer number (4035543579).

Almost surely, 2^20327182438 is an apocalyptic number.

20327182438 is a deficient number, since it is larger than the sum of its proper divisors (11957166194).

20327182438 is a wasteful number, since it uses less digits than its factorization.

20327182438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597858326.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 20327182438 in words is "twenty billion, three hundred twenty-seven million, one hundred eighty-two thousand, four hundred thirty-eight".