20000311211130 has 32 divisors (see below), whose sum is σ = 50087735904384. Its totient is φ = 5101528656576.

The previous prime is 20000311211117. The next prime is 20000311211137. The reversal of 20000311211130 is 3111211300002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20000311211137) 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, 14492978449 + ... + 14492979828.

It is an arithmetic number, because the mean of its divisors is an integer number (1565241747012).

Almost surely, 2^{20000311211130} is an apocalyptic number.

20000311211130 is an abundant number, since it is smaller than the sum of its proper divisors (30087424693254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000311211130 is a wasteful number, since it uses less digits than its factorization.

20000311211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28985958310.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20000311211130 its reverse (3111211300002), we get a palindrome (23111522511132).

The spelling of 20000311211130 in words is "twenty trillion, three hundred eleven million, two hundred eleven thousand, one hundred thirty".