100420330205 has 32 divisors (see below), whose sum is σ = 132047435520. Its totient is φ = 72858839040.

The previous prime is 100420330189. The next prime is 100420330229. The reversal of 100420330205 is 502033024001.

It is a happy number.

It is not a de Polignac number, because 100420330205 - 2⁴ = 100420330189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7974344 + ... + 7986926.

It is an arithmetic number, because the mean of its divisors is an integer number (4126482360).

Almost surely, 2^100420330205 is an apocalyptic number.

It is an amenable number.

100420330205 is a deficient number, since it is larger than the sum of its proper divisors (31627105315).

100420330205 is a wasteful number, since it uses less digits than its factorization.

100420330205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14741.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 100420330205 its reverse (502033024001), we get a palindrome (602453354206).

The spelling of 100420330205 in words is "one hundred billion, four hundred twenty million, three hundred thirty thousand, two hundred five".