20320264362 has 16 divisors (see below), whose sum is σ = 42779504160. Its totient is φ = 6416925552.

The previous prime is 20320264333. The next prime is 20320264379. The reversal of 20320264362 is 26346202302.

It is an unprimeable number.

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, 89123853 + ... + 89124080.

It is an arithmetic number, because the mean of its divisors is an integer number (2673719010).

Almost surely, 2^20320264362 is an apocalyptic number.

20320264362 is an abundant number, since it is smaller than the sum of its proper divisors (22459239798).

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

20320264362 is a wasteful number, since it uses less digits than its factorization.

20320264362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178247957.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20320264362 its reverse (26346202302), we get a palindrome (46666466664).

The spelling of 20320264362 in words is "twenty billion, three hundred twenty million, two hundred sixty-four thousand, three hundred sixty-two".