20829814019 has 8 divisors (see below), whose sum is σ = 25058423040. Its totient is φ = 16914435336.

The previous prime is 20829813967. The next prime is 20829814037. The reversal of 20829814019 is 91041892802.

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 20829814019 - 2²⁰ = 20828765443 is a prime.

It is a super-2 number, since 2×20829814019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20829814919) 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, 78307439 + ... + 78307704.

It is an arithmetic number, because the mean of its divisors is an integer number (3132302880).

Almost surely, 2^20829814019 is an apocalyptic number.

20829814019 is a deficient number, since it is larger than the sum of its proper divisors (4228609021).

20829814019 is a wasteful number, since it uses less digits than its factorization.

20829814019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156615169.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 20829814019 in words is "twenty billion, eight hundred twenty-nine million, eight hundred fourteen thousand, nineteen".