420204012003552 has 192 divisors, whose sum is σ = 1290478410676224. Its totient is φ = 117216252679680.

The previous prime is 420204012003539. The next prime is 420204012003617. The reversal of 420204012003552 is 255300210402024.

It is a congruent number.

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, 64720927 + ... + 70916897.

It is an arithmetic number, because the mean of its divisors is an integer number (6721241722272).

Almost surely, 2^{420204012003552} is an apocalyptic number.

420204012003552 is a gapful number since it is divisible by the number (42) 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 420204012003552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645239205338112).

420204012003552 is an abundant number, since it is smaller than the sum of its proper divisors (870274398672672).

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

420204012003552 is a wasteful number, since it uses less digits than its factorization.

420204012003552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198381 (or 6198373 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 420204012003552 its reverse (255300210402024), we get a palindrome (675504222405576).

The spelling of 420204012003552 in words is "four hundred twenty trillion, two hundred four billion, twelve million, three thousand, five hundred fifty-two".