420241031142320 has 160 divisors (see below), whose sum is σ = 985486424832000. Its totient is φ = 166652777272320.

The previous prime is 420241031142319. The next prime is 420241031142337. The reversal of 420241031142320 is 23241130142024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21203937371 + ... + 21203957189.

It is an arithmetic number, because the mean of its divisors is an integer number (6159290155200).

Almost surely, 2^{420241031142320} is an apocalyptic number.

420241031142320 is a gapful number since it is divisible by the number (40) 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 420241031142320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492743212416000).

420241031142320 is an abundant number, since it is smaller than the sum of its proper divisors (565245393689680).

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

420241031142320 is a wasteful number, since it uses less digits than its factorization.

420241031142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24451 (or 24445 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 420241031142320 its reverse (23241130142024), we get a palindrome (443482161284344).

The spelling of 420241031142320 in words is "four hundred twenty trillion, two hundred forty-one billion, thirty-one million, one hundred forty-two thousand, three hundred twenty".