20226804 has 96 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 5634048.

The previous prime is 20226799. The next prime is 20226823. The reversal of 20226804 is 40862202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76777 + ... + 77039.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^20226804 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 20226804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27941760).

20226804 is an abundant number, since it is smaller than the sum of its proper divisors (35656716).

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

20226804 is a wasteful number, since it uses less digits than its factorization.

20226804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20226804 is about 4497.4219281717. The cubic root of 20226804 is about 272.4639752618.

The spelling of 20226804 in words is "twenty million, two hundred twenty-six thousand, eight hundred four".