2102322030 has 64 divisors (see below), whose sum is σ = 5172837120. Its totient is φ = 546529536.

The previous prime is 2102321989. The next prime is 2102322037. The reversal of 2102322030 is 302232012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102322037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 848874 + ... + 851346.

It is an arithmetic number, because the mean of its divisors is an integer number (80825580).

Almost surely, 2^2102322030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102322030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2586418560).

2102322030 is an abundant number, since it is smaller than the sum of its proper divisors (3070515090).

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

2102322030 is a wasteful number, since it uses less digits than its factorization.

2102322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2102322030 is about 45851.0853742853. The cubic root of 2102322030 is about 1281.0509821199.

Adding to 2102322030 its reverse (302232012), we get a palindrome (2404554042).

The spelling of 2102322030 in words is "two billion, one hundred two million, three hundred twenty-two thousand, thirty".