420220826684 has 6 divisors (see below), whose sum is σ = 735386446704. Its totient is φ = 210110413340.

The previous prime is 420220826611. The next prime is 420220826777. The reversal of 420220826684 is 486628022024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52527603332 + ... + 52527603339.

It is an arithmetic number, because the mean of its divisors is an integer number (122564407784).

Almost surely, 2^420220826684 is an apocalyptic number.

It is an amenable number.

420220826684 is a deficient number, since it is larger than the sum of its proper divisors (315165620020).

420220826684 is a wasteful number, since it uses less digits than its factorization.

420220826684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105055206675 (or 105055206673 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 420220826684 in words is "four hundred twenty billion, two hundred twenty million, eight hundred twenty-six thousand, six hundred eighty-four".