420421340021315 has 16 divisors (see below), whose sum is σ = 534855117146880. Its totient is φ = 316690529880960.

The previous prime is 420421340021299. The next prime is 420421340021321. The reversal of 420421340021315 is 513120043124024.

It is not a de Polignac number, because 420421340021315 - 2⁴ = 420421340021299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36653990780 + ... + 36654002249.

It is an arithmetic number, because the mean of its divisors is an integer number (33428444821680).

Almost surely, 2^{420421340021315} is an apocalyptic number.

420421340021315 is a deficient number, since it is larger than the sum of its proper divisors (114433777125565).

420421340021315 is a wasteful number, since it uses less digits than its factorization.

420421340021315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73307993102.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 420421340021315 its reverse (513120043124024), we get a palindrome (933541383145339).

The spelling of 420421340021315 in words is "four hundred twenty trillion, four hundred twenty-one billion, three hundred forty million, twenty-one thousand, three hundred fifteen".