420422240219 has 4 divisors (see below), whose sum is σ = 433984248000. Its totient is φ = 406860232440.

The previous prime is 420422240197. The next prime is 420422240317. The reversal of 420422240219 is 912042224024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420422240219 - 2²⁰ = 420421191643 is a prime.

It is a super-2 number, since 2×420422240219² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420422246219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6781003844 + ... + 6781003905.

It is an arithmetic number, because the mean of its divisors is an integer number (108496062000).

Almost surely, 2^420422240219 is an apocalyptic number.

420422240219 is a deficient number, since it is larger than the sum of its proper divisors (13562007781).

420422240219 is a wasteful number, since it uses less digits than its factorization.

420422240219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562007780.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 420422240219 in words is "four hundred twenty billion, four hundred twenty-two million, two hundred forty thousand, two hundred nineteen".