20154310324 has 6 divisors (see below), whose sum is σ = 35270043074. Its totient is φ = 10077155160.

The previous prime is 20154310321. The next prime is 20154310357. The reversal of 20154310324 is 42301345102.

It can be written as a sum of positive squares in only one way, i.e., 14560766224 + 5593544100 = 120668^2 + 74790^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154310321) 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 as a sum of consecutive naturals, namely, 2519288787 + ... + 2519288794.

Almost surely, 2^20154310324 is an apocalyptic number.

It is an amenable number.

20154310324 is a deficient number, since it is larger than the sum of its proper divisors (15115732750).

20154310324 is a wasteful number, since it uses less digits than its factorization.

20154310324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038577585 (or 5038577583 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20154310324 its reverse (42301345102), we get a palindrome (62455655426).

The spelling of 20154310324 in words is "twenty billion, one hundred fifty-four million, three hundred ten thousand, three hundred twenty-four".