220454253045 has 40 divisors (see below), whose sum is σ = 425583491256. Its totient is φ = 108531321984.

The previous prime is 220454253013. The next prime is 220454253049. The reversal of 220454253045 is 540352454022.

220454253045 is a `hidden beast` number, since 2 + 2 + 0 + 45 + 42 + 530 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7461849924 + 212992403121 = 86382^2 + 461511^2 .

It is not a de Polignac number, because 220454253045 - 2⁵ = 220454253013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220454253049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20930562 + ... + 20941091.

Almost surely, 2^220454253045 is an apocalyptic number.

It is an amenable number.

220454253045 is a deficient number, since it is larger than the sum of its proper divisors (205129238211).

220454253045 is a wasteful number, since it uses less digits than its factorization.

220454253045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41871683 (or 41871674 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 220454253045 in words is "two hundred twenty billion, four hundred fifty-four million, two hundred fifty-three thousand, forty-five".