420323262220 has 24 divisors (see below), whose sum is σ = 883923843600. Its totient is φ = 167892163392.

The previous prime is 420323262199. The next prime is 420323262239. The reversal of 420323262220 is 22262323024.

It is a happy 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, 14806810 + ... + 14835169.

It is an arithmetic number, because the mean of its divisors is an integer number (36830160150).

Almost surely, 2^420323262220 is an apocalyptic number.

It is an amenable number.

420323262220 is an abundant number, since it is smaller than the sum of its proper divisors (463600581380).

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

420323262220 is a wasteful number, since it uses less digits than its factorization.

420323262220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29642697 (or 29642695 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 420323262220 its reverse (22262323024), we get a palindrome (442585585244).

The spelling of 420323262220 in words is "four hundred twenty billion, three hundred twenty-three million, two hundred sixty-two thousand, two hundred twenty".