20024340011 has 12 divisors (see below), whose sum is σ = 21724716168. Its totient is φ = 18448582464.

The previous prime is 20024339983. The next prime is 20024340031. The reversal of 20024340011 is 11004342002.

It is a de Polignac number, because none of the positive numbers 2^k-20024340011 is a prime.

It is a super-2 number, since 2×20024340011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20024340031) 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 in 11 ways as a sum of consecutive naturals, for example, 24890 + ... + 201663.

It is an arithmetic number, because the mean of its divisors is an integer number (1810393014).

Almost surely, 2^20024340011 is an apocalyptic number.

20024340011 is a deficient number, since it is larger than the sum of its proper divisors (1700376157).

20024340011 is a wasteful number, since it uses less digits than its factorization.

20024340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227102 (or 227089 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20024340011 its reverse (11004342002), we get a palindrome (31028682013).

The spelling of 20024340011 in words is "twenty billion, twenty-four million, three hundred forty thousand, eleven".