20055726 has 12 divisors (see below), whose sum is σ = 43454112. Its totient is φ = 6685236.

The previous prime is 20055709. The next prime is 20055731. The reversal of 20055726 is 62755002.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20055726.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 557086 + ... + 557121.

It is an arithmetic number, because the mean of its divisors is an integer number (3621176).

Almost surely, 2^20055726 is an apocalyptic number.

20055726 is an abundant number, since it is smaller than the sum of its proper divisors (23398386).

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

20055726 is a wasteful number, since it uses less digits than its factorization.

20055726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114215 (or 1114212 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 20055726 is about 4478.3619773306. The cubic root of 20055726 is about 271.6936339337.

The spelling of 20055726 in words is "twenty million, fifty-five thousand, seven hundred twenty-six".