2103220420 has 48 divisors (see below), whose sum is σ = 5210569728. Its totient is φ = 697841280.

The previous prime is 2103220417. The next prime is 2103220421. The reversal of 2103220420 is 240223012.

It is a super-2 number, since 2×2103220420² = 8847072270209952800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103220394 and 2103220403.

It is not an unprimeable number, because it can be changed into a prime (2103220421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237967 + ... + 246646.

It is an arithmetic number, because the mean of its divisors is an integer number (108553536).

Almost surely, 2^2103220420 is an apocalyptic number.

2103220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103220420 is an abundant number, since it is smaller than the sum of its proper divisors (3107349308).

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

2103220420 is a wasteful number, since it uses less digits than its factorization.

2103220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484660 (or 484658 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2103220420 is about 45860.8811515871. The cubic root of 2103220420 is about 1281.2334342653.

Adding to 2103220420 its reverse (240223012), we get a palindrome (2343443432).

The spelling of 2103220420 in words is "two billion, one hundred three million, two hundred twenty thousand, four hundred twenty".