2400240002020 has 48 divisors (see below), whose sum is σ = 5766777152640. Its totient is φ = 822053551104.

The previous prime is 2400240001969. The next prime is 2400240002029. The reversal of 2400240002020 is 202000420042.

It is a super-2 number, since 2×2400240002020² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2400240001985 and 2400240002003.

It is not an unprimeable number, because it can be changed into a prime (2400240002029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9097374 + ... + 9357493.

It is an arithmetic number, because the mean of its divisors is an integer number (120141190680).

Almost surely, 2^{2400240002020} is an apocalyptic number.

2400240002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400240002020 is an abundant number, since it is smaller than the sum of its proper divisors (3366537150620).

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

2400240002020 is a wasteful number, since it uses less digits than its factorization.

2400240002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455812 (or 18455810 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2400240002020 its reverse (202000420042), we get a palindrome (2602240422062).

The spelling of 2400240002020 in words is "two trillion, four hundred billion, two hundred forty million, two thousand, twenty".