220145514 has 16 divisors (see below), whose sum is σ = 463464480. Its totient is φ = 69519600.

The previous prime is 220145507. The next prime is 220145521. The reversal of 220145514 is 415541022.

220145514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220145507) and next prime (220145521).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965437 + ... + 965664.

It is an arithmetic number, because the mean of its divisors is an integer number (28966530).

Almost surely, 2^220145514 is an apocalyptic number.

220145514 is an abundant number, since it is smaller than the sum of its proper divisors (243318966).

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

220145514 is a wasteful number, since it uses less digits than its factorization.

220145514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931125.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 220145514 is about 14837.3014392780. The cubic root of 220145514 is about 603.8141413879.

Adding to 220145514 its reverse (415541022), we get a palindrome (635686536).

The spelling of 220145514 in words is "two hundred twenty million, one hundred forty-five thousand, five hundred fourteen".