20055413 has 4 divisors (see below), whose sum is σ = 22920480. Its totient is φ = 17190348.

The previous prime is 20055407. The next prime is 20055433. The reversal of 20055413 is 31455002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20055413 - 2¹⁰ = 20054389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055403) 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 3 ways as a sum of consecutive naturals, for example, 1432523 + ... + 1432536.

It is an arithmetic number, because the mean of its divisors is an integer number (5730120).

Almost surely, 2^20055413 is an apocalyptic number.

It is an amenable number.

20055413 is a deficient number, since it is larger than the sum of its proper divisors (2865067).

20055413 is an equidigital number, since it uses as much as digits as its factorization.

20055413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865066.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20055413 is about 4478.3270313813. The cubic root of 20055413 is about 271.6922205294.

The spelling of 20055413 in words is "twenty million, fifty-five thousand, four hundred thirteen".