20100004344420 has 384 divisors, whose sum is σ = 77607071281152. Its totient is φ = 3751146547200.

The previous prime is 20100004344419. The next prime is 20100004344437. The reversal of 20100004344420 is 2444340000102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2300286 + ... + 6744725.

It is an arithmetic number, because the mean of its divisors is an integer number (202101748128).

Almost surely, 2^{20100004344420} is an apocalyptic number.

20100004344420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100004344420 is an abundant number, since it is smaller than the sum of its proper divisors (57507066936732).

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

20100004344420 is a wasteful number, since it uses less digits than its factorization.

20100004344420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045091 (or 9045089 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20100004344420 its reverse (2444340000102), we get a palindrome (22544344344522).

The spelling of 20100004344420 in words is "twenty trillion, one hundred billion, four million, three hundred forty-four thousand, four hundred twenty".