20839680001 has 16 divisors (see below), whose sum is σ = 24050847744. Its totient is φ = 17687848464.

The previous prime is 20839679983. The next prime is 20839680031. The reversal of 20839680001 is 10008693802.

It is a cyclic number.

It is not a de Polignac number, because 20839680001 - 2⁵ = 20839679969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20839680031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273556 + ... + 341338.

It is an arithmetic number, because the mean of its divisors is an integer number (1503177984).

Almost surely, 2^20839680001 is an apocalyptic number.

It is an amenable number.

20839680001 is a deficient number, since it is larger than the sum of its proper divisors (3211167743).

20839680001 is a wasteful number, since it uses less digits than its factorization.

20839680001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68220.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 20839680001 in words is "twenty billion, eight hundred thirty-nine million, six hundred eighty thousand, one".