20204422439 has 8 divisors (see below), whose sum is σ = 20327450400. Its totient is φ = 20081609856.

The previous prime is 20204422421. The next prime is 20204422541. The reversal of 20204422439 is 93422440202.

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 20204422439 - 2¹² = 20204418343 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 (20204452439) 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, 136379 + ... + 242915.

It is an arithmetic number, because the mean of its divisors is an integer number (2540931300).

Almost surely, 2^20204422439 is an apocalyptic number.

20204422439 is a deficient number, since it is larger than the sum of its proper divisors (123027961).

20204422439 is a wasteful number, since it uses less digits than its factorization.

20204422439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107689.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 20204422439 in words is "twenty billion, two hundred four million, four hundred twenty-two thousand, four hundred thirty-nine".