420422240220 has 24 divisors (see below), whose sum is σ = 1177182272784. Its totient is φ = 112112597376.

The previous prime is 420422240197. The next prime is 420422240317. The reversal of 420422240220 is 22042224024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503518609 + ... + 3503518728.

It is an arithmetic number, because the mean of its divisors is an integer number (49049261366).

Almost surely, 2^420422240220 is an apocalyptic number.

It is an amenable number.

420422240220 is an abundant number, since it is smaller than the sum of its proper divisors (756760032564).

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

420422240220 is a wasteful number, since it uses less digits than its factorization.

420422240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007037349 (or 7007037347 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 420422240220 its reverse (22042224024), we get a palindrome (442464464244).

The spelling of 420422240220 in words is "four hundred twenty billion, four hundred twenty-two million, two hundred forty thousand, two hundred twenty".