2104120220 has 24 divisors (see below), whose sum is σ = 4419703008. Its totient is φ = 841448000.

The previous prime is 2104120189. The next prime is 2104120223. The reversal of 2104120220 is 220214012.

It is a junction number, because it is equal to n+sod(n) for n = 2104120195 and 2104120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104120223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97190 + ... + 116850.

It is an arithmetic number, because the mean of its divisors is an integer number (184154292).

Almost surely, 2^2104120220 is an apocalyptic number.

2104120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104120220 is an abundant number, since it is smaller than the sum of its proper divisors (2315582788).

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

2104120220 is a wasteful number, since it uses less digits than its factorization.

2104120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25021 (or 25019 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2104120220 is about 45870.6902062744. The cubic root of 2104120220 is about 1281.4161206935.

Adding to 2104120220 its reverse (220214012), we get a palindrome (2324334232).

The spelling of 2104120220 in words is "two billion, one hundred four million, one hundred twenty thousand, two hundred twenty".