220121020005 has 8 divisors (see below), whose sum is σ = 352193632032. Its totient is φ = 117397877328.

The previous prime is 220121019997. The next prime is 220121020033. The reversal of 220121020005 is 500020121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220121020005 - 2³ = 220121019997 is a prime.

It is a super-2 number, since 2×220121020005² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 14674734667 = 220121020005 / (2 + 2 + 0 + 1 + 2 + 1 + 0 + 2 + 0 + 0 + 0 + 5).

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 7 ways as a sum of consecutive naturals, for example, 7337367319 + ... + 7337367348.

It is an arithmetic number, because the mean of its divisors is an integer number (44024204004).

Almost surely, 2^220121020005 is an apocalyptic number.

It is an amenable number.

220121020005 is a deficient number, since it is larger than the sum of its proper divisors (132072612027).

220121020005 is a wasteful number, since it uses less digits than its factorization.

220121020005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674734675.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 220121020005 its reverse (500020121022), we get a palindrome (720141141027).

The spelling of 220121020005 in words is "two hundred twenty billion, one hundred twenty-one million, twenty thousand, five".