20324220307 has 16 divisors (see below), whose sum is σ = 22374934560. Its totient is φ = 18375228928.

The previous prime is 20324220299. The next prime is 20324220347. The reversal of 20324220307 is 70302242302.

It is a cyclic number.

It is not a de Polignac number, because 20324220307 - 2³ = 20324220299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324220347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7513 + ... + 201754.

It is an arithmetic number, because the mean of its divisors is an integer number (1398433410).

Almost surely, 2^20324220307 is an apocalyptic number.

20324220307 is a deficient number, since it is larger than the sum of its proper divisors (2050714253).

20324220307 is a wasteful number, since it uses less digits than its factorization.

20324220307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209510.

The product of its (nonzero) digits is 4032, while the sum is 25.

Adding to 20324220307 its reverse (70302242302), we get a palindrome (90626462609).

The spelling of 20324220307 in words is "twenty billion, three hundred twenty-four million, two hundred twenty thousand, three hundred seven".