20900483999 has 8 divisors (see below), whose sum is σ = 20933010000. Its totient is φ = 20867985792.

The previous prime is 20900483977. The next prime is 20900484013. The reversal of 20900483999 is 99938400902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20900483999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20900483999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20900483099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869077 + ... + 1880225.

It is an arithmetic number, because the mean of its divisors is an integer number (2616626250).

Almost surely, 2^20900483999 is an apocalyptic number.

20900483999 is a deficient number, since it is larger than the sum of its proper divisors (32526001).

20900483999 is a wasteful number, since it uses less digits than its factorization.

20900483999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13897.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 20900483999 in words is "twenty billion, nine hundred million, four hundred eighty-three thousand, nine hundred ninety-nine".