20227476 has 48 divisors (see below), whose sum is σ = 50355200. Its totient is φ = 6301152.

The previous prime is 20227463. The next prime is 20227477. The reversal of 20227476 is 67472202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227477) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17451 + ... + 18573.

Almost surely, 2^20227476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20227476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25177600).

20227476 is an abundant number, since it is smaller than the sum of its proper divisors (30127724).

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

20227476 is a wasteful number, since it uses less digits than its factorization.

20227476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 20227476 is about 4497.4966370193. The cubic root of 20227476 is about 272.4669926073.

Adding to 20227476 its reverse (67472202), we get a palindrome (87699678).

The spelling of 20227476 in words is "twenty million, two hundred twenty-seven thousand, four hundred seventy-six".