14214420520 has 16 divisors (see below), whose sum is σ = 31982446260. Its totient is φ = 5685768192.

The previous prime is 14214420491. The next prime is 14214420529. The reversal of 14214420520 is 2502441241.

It can be written as a sum of positive squares in 2 ways, for example, as 14116766596 + 97653924 = 118814^2 + 9882^2 .

It is not an unprimeable number, because it can be changed into a prime (14214420529) 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, 177680217 + ... + 177680296.

Almost surely, 2^14214420520 is an apocalyptic number.

14214420520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14214420520 is an abundant number, since it is smaller than the sum of its proper divisors (17768025740).

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

14214420520 is a wasteful number, since it uses less digits than its factorization.

14214420520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355360524 (or 355360520 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 14214420520 its reverse (2502441241), we get a palindrome (16716861761).

The spelling of 14214420520 in words is "fourteen billion, two hundred fourteen million, four hundred twenty thousand, five hundred twenty".