420105306652 has 24 divisors (see below), whose sum is σ = 736783568640. Its totient is φ = 209596176240.

The previous prime is 420105306631. The next prime is 420105306661. The reversal of 420105306652 is 256603501024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3656343 + ... + 3769489.

It is an arithmetic number, because the mean of its divisors is an integer number (30699315360).

Almost surely, 2^420105306652 is an apocalyptic number.

It is an amenable number.

420105306652 is a deficient number, since it is larger than the sum of its proper divisors (316678261988).

420105306652 is a wasteful number, since it uses less digits than its factorization.

420105306652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115161 (or 115159 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 420105306652 its reverse (256603501024), we get a palindrome (676708807676).

The spelling of 420105306652 in words is "four hundred twenty billion, one hundred five million, three hundred six thousand, six hundred fifty-two".