20889050 has 48 divisors (see below), whose sum is σ = 47830272. Its totient is φ = 6609600.

The previous prime is 20889031. The next prime is 20889061. The reversal of 20889050 is 5098802.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20888998 and 20889016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2255 + ... + 6845.

It is an arithmetic number, because the mean of its divisors is an integer number (996464).

Almost surely, 2^20889050 is an apocalyptic number.

20889050 is an abundant number, since it is smaller than the sum of its proper divisors (26941222).

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

20889050 is a wasteful number, since it uses less digits than its factorization.

20889050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 20889050 is about 4570.4540255865. The cubic root of 20889050 is about 275.4056822317.

The spelling of 20889050 in words is "twenty million, eight hundred eighty-nine thousand, fifty".