420241115020 has 12 divisors (see below), whose sum is σ = 882506341584. Its totient is φ = 168096446000.

The previous prime is 420241114991. The next prime is 420241115117. The reversal of 420241115020 is 20511142024.

It is a junction number, because it is equal to n+sod(n) for n = 420241114982 and 420241115000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10506027856 + ... + 10506027895.

It is an arithmetic number, because the mean of its divisors is an integer number (73542195132).

Almost surely, 2^420241115020 is an apocalyptic number.

It is an amenable number.

420241115020 is an abundant number, since it is smaller than the sum of its proper divisors (462265226564).

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

420241115020 is a wasteful number, since it uses less digits than its factorization.

420241115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012055760 (or 21012055758 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 420241115020 its reverse (20511142024), we get a palindrome (440752257044).

The spelling of 420241115020 in words is "four hundred twenty billion, two hundred forty-one million, one hundred fifteen thousand, twenty".