2420321340 has 48 divisors (see below), whose sum is σ = 6783708960. Its totient is φ = 644770560.

The previous prime is 2420321329. The next prime is 2420321363. The reversal of 2420321340 is 431230242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41506 + ... + 81014.

It is an arithmetic number, because the mean of its divisors is an integer number (141327270).

Almost surely, 2^2420321340 is an apocalyptic number.

2420321340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420321340 is an abundant number, since it is smaller than the sum of its proper divisors (4363387620).

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

2420321340 is a wasteful number, since it uses less digits than its factorization.

2420321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40542 (or 40540 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2420321340 is about 49196.7614787803. The cubic root of 2420321340 is about 1342.6341109361.

Adding to 2420321340 its reverse (431230242), we get a palindrome (2851551582).

The spelling of 2420321340 in words is "two billion, four hundred twenty million, three hundred twenty-one thousand, three hundred forty".