420501433515 has 64 divisors (see below), whose sum is σ = 691107766272. Its totient is φ = 218207808000.

The previous prime is 420501433493. The next prime is 420501433537. The reversal of 420501433515 is 515334105024.

It is an interprime number because it is at equal distance from previous prime (420501433493) and next prime (420501433537).

It is not a de Polignac number, because 420501433515 - 2¹⁴ = 420501417131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 323213365 + ... + 323214665.

It is an arithmetic number, because the mean of its divisors is an integer number (10798558848).

Almost surely, 2^420501433515 is an apocalyptic number.

420501433515 is a deficient number, since it is larger than the sum of its proper divisors (270606332757).

420501433515 is a wasteful number, since it uses less digits than its factorization.

420501433515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 420501433515 its reverse (515334105024), we get a palindrome (935835538539).

The spelling of 420501433515 in words is "four hundred twenty billion, five hundred one million, four hundred thirty-three thousand, five hundred fifteen".