20950850 has 24 divisors (see below), whose sum is σ = 39164160. Its totient is φ = 8338320.

The previous prime is 20950849. The next prime is 20950871. The reversal of 20950850 is 5805902.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10211 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (1631840).

Almost surely, 2^20950850 is an apocalyptic number.

20950850 is a deficient number, since it is larger than the sum of its proper divisors (18213310).

20950850 is a wasteful number, since it uses less digits than its factorization.

20950850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 20950850 is about 4577.2098488053. The cubic root of 20950850 is about 275.6770096200.

The spelling of 20950850 in words is "twenty million, nine hundred fifty thousand, eight hundred fifty".