20227800 has 48 divisors (see below), whose sum is σ = 62708040. Its totient is φ = 5393920.

The previous prime is 20227747. The next prime is 20227817. The reversal of 20227800 is 872202.

It is a congruent number.

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, 16257 + ... + 17456.

Almost surely, 2^20227800 is an apocalyptic number.

20227800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20227800 is an abundant number, since it is smaller than the sum of its proper divisors (42480240).

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

20227800 is a wasteful number, since it uses less digits than its factorization.

20227800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33732 (or 33723 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20227800 is about 4497.5326569131. The cubic root of 20227800 is about 272.4684473749.

The spelling of 20227800 in words is "twenty million, two hundred twenty-seven thousand, eight hundred".