20151314227 has 12 divisors (see below), whose sum is σ = 22165375680. Its totient is φ = 18306487760.

The previous prime is 20151314219. The next prime is 20151314243. The reversal of 20151314227 is 72241315102.

It is not a de Polignac number, because 20151314227 - 2³ = 20151314219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20151314195 and 20151314204.

It is not an unprimeable number, because it can be changed into a prime (20151314257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116253 + ... + 231985.

It is an arithmetic number, because the mean of its divisors is an integer number (1847114640).

Almost surely, 2^20151314227 is an apocalyptic number.

20151314227 is a deficient number, since it is larger than the sum of its proper divisors (2014061453).

20151314227 is a wasteful number, since it uses less digits than its factorization.

20151314227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117194 (or 117183 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 20151314227 its reverse (72241315102), we get a palindrome (92392629329).

The spelling of 20151314227 in words is "twenty billion, one hundred fifty-one million, three hundred fourteen thousand, two hundred twenty-seven".