420213403104542 has 8 divisors (see below), whose sum is σ = 636439717323696. Its totient is φ = 208066830663312.

The previous prime is 420213403104433. The next prime is 420213403104569. The reversal of 420213403104542 is 245401304312024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019935444223 + ... + 1019935444634.

It is an arithmetic number, because the mean of its divisors is an integer number (79554964665462).

Almost surely, 2^{420213403104542} is an apocalyptic number.

420213403104542 is a deficient number, since it is larger than the sum of its proper divisors (216226314219154).

420213403104542 is a wasteful number, since it uses less digits than its factorization.

420213403104542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039870888962.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 420213403104542 its reverse (245401304312024), we get a palindrome (665614707416566).

The spelling of 420213403104542 in words is "four hundred twenty trillion, two hundred thirteen billion, four hundred three million, one hundred four thousand, five hundred forty-two".