2220102342 has 48 divisors (see below), whose sum is σ = 4970058912. Its totient is φ = 715685760.

The previous prime is 2220102277. The next prime is 2220102371. The reversal of 2220102342 is 2432010222.

2220102342 is a `hidden beast` number, since 2 + 220 + 102 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101242 + ... + 121202.

It is an arithmetic number, because the mean of its divisors is an integer number (103542894).

Almost surely, 2^2220102342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220102342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2485029456).

2220102342 is an abundant number, since it is smaller than the sum of its proper divisors (2749956570).

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

2220102342 is a wasteful number, since it uses less digits than its factorization.

2220102342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173 (or 20170 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2220102342 is about 47117.9619890334. The cubic root of 2220102342 is about 1304.5407958479.

Adding to 2220102342 its reverse (2432010222), we get a palindrome (4652112564).

The spelling of 2220102342 in words is "two billion, two hundred twenty million, one hundred two thousand, three hundred forty-two".