20346124989 has 8 divisors (see below), whose sum is σ = 27128870272. Its totient is φ = 13563731520.

The previous prime is 20346124963. The next prime is 20346125017. The reversal of 20346124989 is 98942164302.

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

It is not a de Polignac number, because 20346124989 - 2¹³ = 20346116797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346124919) 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, 111804 + ... + 230634.

It is an arithmetic number, because the mean of its divisors is an integer number (3391108784).

Almost surely, 2^20346124989 is an apocalyptic number.

It is an amenable number.

20346124989 is a deficient number, since it is larger than the sum of its proper divisors (6782745283).

20346124989 is a wasteful number, since it uses less digits than its factorization.

20346124989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175907.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 20346124989 in words is "twenty billion, three hundred forty-six million, one hundred twenty-four thousand, nine hundred eighty-nine".