20846412393 has 8 divisors (see below), whose sum is σ = 27926948256. Its totient is φ = 13831742400.

The previous prime is 20846412347. The next prime is 20846412409. The reversal of 20846412393 is 39321464802.

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

It is not a de Polignac number, because 20846412393 - 2¹⁴ = 20846396009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20846412193) 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, 16465728 + ... + 16466993.

It is an arithmetic number, because the mean of its divisors is an integer number (3490868532).

Almost surely, 2^20846412393 is an apocalyptic number.

It is an amenable number.

20846412393 is a deficient number, since it is larger than the sum of its proper divisors (7080535863).

20846412393 is a wasteful number, since it uses less digits than its factorization.

20846412393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32932935.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 20846412393 in words is "twenty billion, eight hundred forty-six million, four hundred twelve thousand, three hundred ninety-three".