20140133331 has 4 divisors (see below), whose sum is σ = 26853511112. Its totient is φ = 13426755552.

The previous prime is 20140133327. The next prime is 20140133341. The reversal of 20140133331 is 13333104102.

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

It is not a de Polignac number, because 20140133331 - 2² = 20140133327 is a prime.

It is a super-2 number, since 2×20140133331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20140133298 and 20140133307.

It is not an unprimeable number, because it can be changed into a prime (20140133311) 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, 3356688886 + ... + 3356688891.

It is an arithmetic number, because the mean of its divisors is an integer number (6713377778).

Almost surely, 2^20140133331 is an apocalyptic number.

20140133331 is a deficient number, since it is larger than the sum of its proper divisors (6713377781).

20140133331 is an equidigital number, since it uses as much as digits as its factorization.

20140133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713377780.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20140133331 its reverse (13333104102), we get a palindrome (33473237433).

The spelling of 20140133331 in words is "twenty billion, one hundred forty million, one hundred thirty-three thousand, three hundred thirty-one".