20024006311 has 4 divisors (see below), whose sum is σ = 21077901400. Its totient is φ = 18970111224.

The previous prime is 20024006213. The next prime is 20024006399. The reversal of 20024006311 is 11360042002.

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

It is a cyclic number.

It is not a de Polignac number, because 20024006311 - 2¹⁷ = 20023875239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1053895069 = 20024006311 / (2 + 0 + 0 + 2 + 4 + 0 + 0 + 6 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024006411) 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, 526947516 + ... + 526947553.

It is an arithmetic number, because the mean of its divisors is an integer number (5269475350).

Almost surely, 2^20024006311 is an apocalyptic number.

20024006311 is a deficient number, since it is larger than the sum of its proper divisors (1053895089).

20024006311 is a wasteful number, since it uses less digits than its factorization.

20024006311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053895088.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20024006311 its reverse (11360042002), we get a palindrome (31384048313).

The spelling of 20024006311 in words is "twenty billion, twenty-four million, six thousand, three hundred eleven".