220454135 has 24 divisors (see below), whose sum is σ = 293536320. Its totient is φ = 158811840.

The previous prime is 220454123. The next prime is 220454141. The reversal of 220454135 is 531454022.

It is a happy number.

It is not a de Polignac number, because 220454135 - 2⁴ = 220454119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64274 + ... + 67616.

It is an arithmetic number, because the mean of its divisors is an integer number (12230680).

Almost surely, 2^220454135 is an apocalyptic number.

220454135 is a deficient number, since it is larger than the sum of its proper divisors (73082185).

220454135 is a wasteful number, since it uses less digits than its factorization.

220454135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 220454135 is about 14847.6979697191. The cubic root of 220454135 is about 604.0961710745.

The spelling of 220454135 in words is "two hundred twenty million, four hundred fifty-four thousand, one hundred thirty-five".