20827050 has 48 divisors (see below), whose sum is σ = 52868640. Its totient is φ = 5423040.

The previous prime is 20827049. The next prime is 20827061. The reversal of 20827050 is 5072802.

It is a self number, because there is not a number n which added to its sum of digits gives 20827050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4836 + ... + 8064.

It is an arithmetic number, because the mean of its divisors is an integer number (1101430).

Almost surely, 2^20827050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20827050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26434320).

20827050 is an abundant number, since it is smaller than the sum of its proper divisors (32041590).

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

20827050 is a wasteful number, since it uses less digits than its factorization.

20827050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 20827050 is about 4563.6662892898. Note that the first 3 decimals coincide. The cubic root of 20827050 is about 275.1329384803.

Adding to 20827050 its reverse (5072802), we get a palindrome (25899852).

The spelling of 20827050 in words is "twenty million, eight hundred twenty-seven thousand, fifty".