20002124311 has 16 divisors (see below), whose sum is σ = 22006785024. Its totient is φ = 18064317024.

The previous prime is 20002124293. The next prime is 20002124321. The reversal of 20002124311 is 11342120002.

It is not a de Polignac number, because 20002124311 - 2⁵ = 20002124279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002124321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3190566 + ... + 3196828.

It is an arithmetic number, because the mean of its divisors is an integer number (1375424064).

Almost surely, 2^20002124311 is an apocalyptic number.

20002124311 is a deficient number, since it is larger than the sum of its proper divisors (2004660713).

20002124311 is a wasteful number, since it uses less digits than its factorization.

20002124311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11550.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20002124311 its reverse (11342120002), we get a palindrome (31344244313).

The spelling of 20002124311 in words is "twenty billion, two million, one hundred twenty-four thousand, three hundred eleven".