20837244306 has 32 divisors (see below), whose sum is σ = 41943057408. Its totient is φ = 6901025040.

The previous prime is 20837244287. The next prime is 20837244313. The reversal of 20837244306 is 60344273802.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3515061 + ... + 3520983.

It is an arithmetic number, because the mean of its divisors is an integer number (1310720544).

Almost surely, 2^20837244306 is an apocalyptic number.

20837244306 is an abundant number, since it is smaller than the sum of its proper divisors (21105813102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20837244306 is a wasteful number, since it uses less digits than its factorization.

20837244306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9606.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 20837244306 in words is "twenty billion, eight hundred thirty-seven million, two hundred forty-four thousand, three hundred six".