20841833739 has 16 divisors (see below), whose sum is σ = 28005433344. Its totient is φ = 13786608000.

The previous prime is 20841833707. The next prime is 20841833743. The reversal of 20841833739 is 93733814802.

It is not a de Polignac number, because 20841833739 - 2⁵ = 20841833707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20841833759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372982 + ... + 425204.

It is an arithmetic number, because the mean of its divisors is an integer number (1750339584).

Almost surely, 2^20841833739 is an apocalyptic number.

20841833739 is a deficient number, since it is larger than the sum of its proper divisors (7163599605).

20841833739 is a wasteful number, since it uses less digits than its factorization.

20841833739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53258.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 20841833739 in words is "twenty billion, eight hundred forty-one million, eight hundred thirty-three thousand, seven hundred thirty-nine".