20151340024 has 16 divisors (see below), whose sum is σ = 38424166200. Its totient is φ = 9904895712.

The previous prime is 20151340009. The next prime is 20151340043. The reversal of 20151340024 is 42004315102.

It is a junction number, because it is equal to n+sod(n) for n = 20151339977 and 20151340004.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 21346287 + ... + 21347230.

Almost surely, 2^20151340024 is an apocalyptic number.

It is an amenable number.

20151340024 is a deficient number, since it is larger than the sum of its proper divisors (18272826176).

20151340024 is a wasteful number, since it uses less digits than its factorization.

20151340024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42693582 (or 42693578 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20151340024 its reverse (42004315102), we get a palindrome (62155655126).

The spelling of 20151340024 in words is "twenty billion, one hundred fifty-one million, three hundred forty thousand, twenty-four".