20828796029 has 8 divisors (see below), whose sum is σ = 21116945472. Its totient is φ = 20540723040.

The previous prime is 20828796011. The next prime is 20828796041. The reversal of 20828796029 is 92069782802.

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 20828796029 - 2¹⁶ = 20828730493 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 (20828796089) 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, 731432 + ... + 759374.

It is an arithmetic number, because the mean of its divisors is an integer number (2639618184).

Almost surely, 2^20828796029 is an apocalyptic number.

It is an amenable number.

20828796029 is a deficient number, since it is larger than the sum of its proper divisors (288149443).

20828796029 is a wasteful number, since it uses less digits than its factorization.

20828796029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38227.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 20828796029 in words is "twenty billion, eight hundred twenty-eight million, seven hundred ninety-six thousand, twenty-nine".