20227798 has 16 divisors (see below), whose sum is σ = 30933504. Its totient is φ = 9918720.

The previous prime is 20227747. The next prime is 20227817. The reversal of 20227798 is 89772202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24228 + ... + 25048.

It is an arithmetic number, because the mean of its divisors is an integer number (1933344).

Almost surely, 2^20227798 is an apocalyptic number.

20227798 is a deficient number, since it is larger than the sum of its proper divisors (10705706).

20227798 is a wasteful number, since it uses less digits than its factorization.

20227798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 20227798 is about 4497.5324345690. The cubic root of 20227798 is about 272.4684383949.

It can be divided in two parts, 20227 and 798, that added together give a square (21025 = 145²).

The spelling of 20227798 in words is "twenty million, two hundred twenty-seven thousand, seven hundred ninety-eight".