20384516324 has 36 divisors (see below), whose sum is σ = 37131194940. Its totient is φ = 9780321600.

The previous prime is 20384516239. The next prime is 20384516351. The reversal of 20384516324 is 42361548302.

It can be written as a sum of positive squares in 2 ways, for example, as 11638525924 + 8745990400 = 107882^2 + 93520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3231974 + ... + 3238274.

Almost surely, 2^20384516324 is an apocalyptic number.

It is an amenable number.

20384516324 is a deficient number, since it is larger than the sum of its proper divisors (16746678616).

20384516324 is a wasteful number, since it uses less digits than its factorization.

20384516324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 20384516324 in words is "twenty billion, three hundred eighty-four million, five hundred sixteen thousand, three hundred twenty-four".