2420020523515 has 64 divisors (see below), whose sum is σ = 3425296896000. Its totient is φ = 1606686713856.

The previous prime is 2420020523489. The next prime is 2420020523563. The reversal of 2420020523515 is 5153250200242.

It is not a de Polignac number, because 2420020523515 - 2⁵ = 2420020523483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 835352547 + ... + 835355443.

It is an arithmetic number, because the mean of its divisors is an integer number (53520264000).

Almost surely, 2^{2420020523515} is an apocalyptic number.

2420020523515 is a deficient number, since it is larger than the sum of its proper divisors (1005276372485).

2420020523515 is a wasteful number, since it uses less digits than its factorization.

2420020523515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 2420020523515 its reverse (5153250200242), we get a palindrome (7573270723757).

The spelling of 2420020523515 in words is "two trillion, four hundred twenty billion, twenty million, five hundred twenty-three thousand, five hundred fifteen".