420102323652 has 24 divisors (see below), whose sum is σ = 1069351369632. Its totient is φ = 127303734400.

The previous prime is 420102323651. The next prime is 420102323717. The reversal of 420102323652 is 256323201024.

It is not an unprimeable number, because it can be changed into a prime (420102323651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591296549 + ... + 1591296812.

It is an arithmetic number, because the mean of its divisors is an integer number (44556307068).

Almost surely, 2^420102323652 is an apocalyptic number.

It is an amenable number.

420102323652 is an abundant number, since it is smaller than the sum of its proper divisors (649249045980).

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

420102323652 is a wasteful number, since it uses less digits than its factorization.

420102323652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182593379 (or 3182593377 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 420102323652 its reverse (256323201024), we get a palindrome (676425524676).

The spelling of 420102323652 in words is "four hundred twenty billion, one hundred two million, three hundred twenty-three thousand, six hundred fifty-two".