2103522420 has 24 divisors (see below), whose sum is σ = 5889862944. Its totient is φ = 560939296.

The previous prime is 2103522371. The next prime is 2103522427. The reversal of 2103522420 is 242253012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103522427) 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, 17529294 + ... + 17529413.

It is an arithmetic number, because the mean of its divisors is an integer number (245410956).

Almost surely, 2^2103522420 is an apocalyptic number.

2103522420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103522420 is an abundant number, since it is smaller than the sum of its proper divisors (3786340524).

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

2103522420 is a wasteful number, since it uses less digits than its factorization.

2103522420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35058719 (or 35058717 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2103522420 is about 45864.1735998808. The cubic root of 2103522420 is about 1281.2947551450.

Adding to 2103522420 its reverse (242253012), we get a palindrome (2345775432).

The spelling of 2103522420 in words is "two billion, one hundred three million, five hundred twenty-two thousand, four hundred twenty".