20055400005 has 16 divisors (see below), whose sum is σ = 32103679104. Its totient is φ = 10691200320.

The previous prime is 20055400003. The next prime is 20055400007. The reversal of 20055400005 is 50000455002.

It is an interprime number because it is at equal distance from previous prime (20055400003) and next prime (20055400007).

It is not a de Polignac number, because 20055400005 - 2¹ = 20055400003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055400003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280129 + ... + 344358.

It is an arithmetic number, because the mean of its divisors is an integer number (2006479944).

Almost surely, 2^20055400005 is an apocalyptic number.

It is an amenable number.

20055400005 is a deficient number, since it is larger than the sum of its proper divisors (12048279099).

20055400005 is a wasteful number, since it uses less digits than its factorization.

20055400005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626636.

The product of its (nonzero) digits is 1000, while the sum is 21.

Adding to 20055400005 its reverse (50000455002), we get a palindrome (70055855007).

The spelling of 20055400005 in words is "twenty billion, fifty-five million, four hundred thousand, five".