20024072103011 has 4 divisors (see below), whose sum is σ = 20039976847800. Its totient is φ = 20008167358224.

The previous prime is 20024072102989. The next prime is 20024072103107. The reversal of 20024072103011 is 11030127042002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20024072103011 is a prime.

It is a super-2 number, since 2×20024072103011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20024072133011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7952370506 + ... + 7952373023.

It is an arithmetic number, because the mean of its divisors is an integer number (5009994211950).

Almost surely, 2^{20024072103011} is an apocalyptic number.

20024072103011 is a deficient number, since it is larger than the sum of its proper divisors (15904744789).

20024072103011 is a wasteful number, since it uses less digits than its factorization.

20024072103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15904744788.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 20024072103011 its reverse (11030127042002), we get a palindrome (31054199145013).

The spelling of 20024072103011 in words is "twenty trillion, twenty-four billion, seventy-two million, one hundred three thousand, eleven".