20055441 has 16 divisors (see below), whose sum is σ = 30993408. Its totient is φ = 11298000.

The previous prime is 20055433. The next prime is 20055463. The reversal of 20055441 is 14455002.

It is not a de Polignac number, because 20055441 - 2³ = 20055433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20055491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5235 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (1937088).

Almost surely, 2^20055441 is an apocalyptic number.

20055441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20055441 is a deficient number, since it is larger than the sum of its proper divisors (10937967).

20055441 is a wasteful number, since it uses less digits than its factorization.

20055441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 20055441 is about 4478.3301575476. The cubic root of 20055441 is about 271.6923469687.

The spelling of 20055441 in words is "twenty million, fifty-five thousand, four hundred forty-one".