2005050420100 has 72 divisors (see below), whose sum is σ = 5355026992448. Its totient is φ = 634565404800.

The previous prime is 2005050420097. The next prime is 2005050420143. The reversal of 2005050420100 is 10240505002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110158506 + ... + 110176705.

Almost surely, 2^{2005050420100} is an apocalyptic number.

2005050420100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005050420100 is an abundant number, since it is smaller than the sum of its proper divisors (3349976572348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005050420100 is a wasteful number, since it uses less digits than its factorization.

2005050420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220335245 (or 220335238 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 2005050420100 its reverse (10240505002), we get a palindrome (2015290925102).

The spelling of 2005050420100 in words is "two trillion, five billion, fifty million, four hundred twenty thousand, one hundred".