2415520420 has 24 divisors (see below), whose sum is σ = 5093827200. Its totient is φ = 962163552.

The previous prime is 2415520411. The next prime is 2415520423. The reversal of 2415520420 is 240255142.

It is not an unprimeable number, because it can be changed into a prime (2415520423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247890 + ... + 257449.

It is an arithmetic number, because the mean of its divisors is an integer number (212242800).

Almost surely, 2^2415520420 is an apocalyptic number.

2415520420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2415520420 is an abundant number, since it is smaller than the sum of its proper divisors (2678306780).

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

2415520420 is a wasteful number, since it uses less digits than its factorization.

2415520420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505587 (or 505585 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2415520420 is about 49147.9442092953. The cubic root of 2415520420 is about 1341.7457790796.

Adding to 2415520420 its reverse (240255142), we get a palindrome (2655775562).

The spelling of 2415520420 in words is "two billion, four hundred fifteen million, five hundred twenty thousand, four hundred twenty".