20014140311 has 4 divisors (see below), whose sum is σ = 21833607624. Its totient is φ = 18194673000.

The previous prime is 20014140277. The next prime is 20014140323. The reversal of 20014140311 is 11304141002.

It is a happy number.

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-20014140311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20014140311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014100311) 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, 909733640 + ... + 909733661.

It is an arithmetic number, because the mean of its divisors is an integer number (5458401906).

Almost surely, 2^20014140311 is an apocalyptic number.

20014140311 is a deficient number, since it is larger than the sum of its proper divisors (1819467313).

20014140311 is a wasteful number, since it uses less digits than its factorization.

20014140311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819467312.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20014140311 its reverse (11304141002), we get a palindrome (31318281313).

The spelling of 20014140311 in words is "twenty billion, fourteen million, one hundred forty thousand, three hundred eleven".