2320420430664 has 128 divisors (see below), whose sum is σ = 7403807980800. Its totient is φ = 659611814400.

The previous prime is 2320420430623. The next prime is 2320420430677. The reversal of 2320420430664 is 4660340240232.

2320420430664 is a `hidden beast` number, since 2 + 320 + 4 + 20 + 4 + 306 + 6 + 4 = 666.

It is a super-3 number, since 3×2320420430664³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3597237 + ... + 4192964.

It is an arithmetic number, because the mean of its divisors is an integer number (57842249850).

Almost surely, 2^{2320420430664} is an apocalyptic number.

2320420430664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2320420430664 is an abundant number, since it is smaller than the sum of its proper divisors (5083387550136).

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

2320420430664 is a wasteful number, since it uses less digits than its factorization.

2320420430664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790420 (or 7790410 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 2320420430664 its reverse (4660340240232), we get a palindrome (6980760670896).

The spelling of 2320420430664 in words is "two trillion, three hundred twenty billion, four hundred twenty million, four hundred thirty thousand, six hundred sixty-four".