420246124102215 has 64 divisors (see below), whose sum is σ = 754817664585600. Its totient is φ = 221817302433792.

The previous prime is 420246124102201. The next prime is 420246124102291. The reversal of 420246124102215 is 512201421642024.

420246124102215 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 4 + 6 + 12 + 410 + 221 + 5 = 666.

It is not a de Polignac number, because 420246124102215 - 2⁹ = 420246124101703 is a prime.

It is a super-2 number, since 2×420246124102215² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420246124102215.

It is a congruent number.

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, 1044373899 + ... + 1044776211.

It is an arithmetic number, because the mean of its divisors is an integer number (11794026009150).

Almost surely, 2^{420246124102215} is an apocalyptic number.

420246124102215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420246124102215 is a deficient number, since it is larger than the sum of its proper divisors (334571540483385).

420246124102215 is a wasteful number, since it uses less digits than its factorization.

420246124102215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482193 (or 482187 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 420246124102215 its reverse (512201421642024), we get a palindrome (932447545744239).

The spelling of 420246124102215 in words is "four hundred twenty trillion, two hundred forty-six billion, one hundred twenty-four million, one hundred two thousand, two hundred fifteen".