2100104343020 has 48 divisors (see below), whose sum is σ = 4424964892320. Its totient is φ = 837233819136.

The previous prime is 2100104342983. The next prime is 2100104343037. The reversal of 2100104343020 is 203434010012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2100104342983 and 2100104343001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50390951 + ... + 50432609.

It is an arithmetic number, because the mean of its divisors is an integer number (92186768590).

Almost surely, 2^{2100104343020} is an apocalyptic number.

2100104343020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100104343020 is an abundant number, since it is smaller than the sum of its proper divisors (2324860549300).

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

2100104343020 is a wasteful number, since it uses less digits than its factorization.

2100104343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50034 (or 50032 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2100104343020 its reverse (203434010012), we get a palindrome (2303538353032).

The spelling of 2100104343020 in words is "two trillion, one hundred billion, one hundred four million, three hundred forty-three thousand, twenty".