20225800 has 48 divisors (see below), whose sum is σ = 53746560. Its totient is φ = 6934080.

The previous prime is 20225783. The next prime is 20225813. The reversal of 20225800 is 852202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5824 + ... + 8623.

It is an arithmetic number, because the mean of its divisors is an integer number (1119720).

Almost surely, 2^20225800 is an apocalyptic number.

20225800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20225800 is an abundant number, since it is smaller than the sum of its proper divisors (33520760).

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

20225800 is a wasteful number, since it uses less digits than its factorization.

20225800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14470 (or 14461 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20225800 is about 4497.3103072837. The cubic root of 20225800 is about 272.4594670796.

It can be divided in two parts, 20225 and 800, that added together give a square (21025 = 145²).

The spelling of 20225800 in words is "twenty million, two hundred twenty-five thousand, eight hundred".