20835689050 has 48 divisors (see below), whose sum is σ = 42296971392. Its totient is φ = 7573126400.

The previous prime is 20835689003. The next prime is 20835689111. The reversal of 20835689050 is 5098653802.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1391202 + ... + 1406098.

It is an arithmetic number, because the mean of its divisors is an integer number (881186904).

Almost surely, 2^20835689050 is an apocalyptic number.

20835689050 is an abundant number, since it is smaller than the sum of its proper divisors (21461282342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20835689050 is a wasteful number, since it uses less digits than its factorization.

20835689050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17463 (or 17458 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 20835689050 in words is "twenty billion, eight hundred thirty-five million, six hundred eighty-nine thousand, fifty".