2342121320 has 128 divisors (see below), whose sum is σ = 6636038400. Its totient is φ = 722688000.

The previous prime is 2342121293. The next prime is 2342121323. The reversal of 2342121320 is 231212432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2342121292 and 2342121301.

It is not an unprimeable number, because it can be changed into a prime (2342121323) 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, 307316 + ... + 314844.

It is an arithmetic number, because the mean of its divisors is an integer number (51844050).

Almost surely, 2^2342121320 is an apocalyptic number.

2342121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2342121320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3318019200).

2342121320 is an abundant number, since it is smaller than the sum of its proper divisors (4293917080).

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

2342121320 is a wasteful number, since it uses less digits than its factorization.

2342121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659 (or 7655 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2342121320 is about 48395.4679696353. The cubic root of 2342121320 is about 1328.0154547120.

Adding to 2342121320 its reverse (231212432), we get a palindrome (2573333752).

It can be divided in two parts, 234212 and 1320, that added together give a palindrome (235532).

The spelling of 2342121320 in words is "two billion, three hundred forty-two million, one hundred twenty-one thousand, three hundred twenty".