420320023024 has 80 divisors (see below), whose sum is σ = 896693143680. Its totient is φ = 189279348480.

The previous prime is 420320023003. The next prime is 420320023061.

420320023024 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 420320022986 and 420320023004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9070987 + ... + 9117205.

It is an arithmetic number, because the mean of its divisors is an integer number (11208664296).

Almost surely, 2^420320023024 is an apocalyptic number.

420320023024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420320023024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448346571840).

420320023024 is an abundant number, since it is smaller than the sum of its proper divisors (476373120656).

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

420320023024 is a wasteful number, since it uses less digits than its factorization.

420320023024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46718 (or 46712 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

It can be divided in two parts, 4203200 and 23024, that added together give a palindrome (4226224).

The spelling of 420320023024 in words is "four hundred twenty billion, three hundred twenty million, twenty-three thousand, twenty-four".