2420700240 has 160 divisors (see below), whose sum is σ = 8592950016. Its totient is φ = 552222720.

The previous prime is 2420700239. The next prime is 2420700241. The reversal of 2420700240 is 420070242.

It is an interprime number because it is at equal distance from previous prime (2420700239) and next prime (2420700241).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420700241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1129570 + ... + 1131710.

Almost surely, 2^2420700240 is an apocalyptic number.

2420700240 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 2420700240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4296475008).

2420700240 is an abundant number, since it is smaller than the sum of its proper divisors (6172249776).

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

2420700240 is a wasteful number, since it uses less digits than its factorization.

2420700240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2420700240 is about 49200.6121913132. The cubic root of 2420700240 is about 1342.7041701622.

Adding to 2420700240 its reverse (420070242), we get a palindrome (2840770482).

The spelling of 2420700240 in words is "two billion, four hundred twenty million, seven hundred thousand, two hundred forty".