2043421030420 has 192 divisors, whose sum is σ = 5424048064512. Its totient is φ = 628160832000.

The previous prime is 2043421030397. The next prime is 2043421030439. The reversal of 2043421030420 is 240301243402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32852550 + ... + 32914690.

It is an arithmetic number, because the mean of its divisors is an integer number (28250250336).

Almost surely, 2^{2043421030420} is an apocalyptic number.

2043421030420 is a gapful number since it is divisible by the number (20) 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 2043421030420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2712024032256).

2043421030420 is an abundant number, since it is smaller than the sum of its proper divisors (3380627034092).

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

2043421030420 is a wasteful number, since it uses less digits than its factorization.

2043421030420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62462 (or 62460 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2043421030420 its reverse (240301243402), we get a palindrome (2283722273822).

The spelling of 2043421030420 in words is "two trillion, forty-three billion, four hundred twenty-one million, thirty thousand, four hundred twenty".