20004022005 has 32 divisors (see below), whose sum is σ = 35117988480. Its totient is φ = 9642842880.

The previous prime is 20004021977. The next prime is 20004022033. The reversal of 20004022005 is 50022040002.

It is an interprime number because it is at equal distance from previous prime (20004021977) and next prime (20004022033).

It is not a de Polignac number, because 20004022005 - 2⁸ = 20004021749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 321850 + ... + 378939.

It is an arithmetic number, because the mean of its divisors is an integer number (1097437140).

Almost surely, 2^20004022005 is an apocalyptic number.

It is an amenable number.

20004022005 is a deficient number, since it is larger than the sum of its proper divisors (15113966475).

20004022005 is a wasteful number, since it uses less digits than its factorization.

20004022005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700981.

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 20004022005 its reverse (50022040002), we get a palindrome (70026062007).

The spelling of 20004022005 in words is "twenty billion, four million, twenty-two thousand, five".