220245110451 has 16 divisors (see below), whose sum is σ = 327928704000. Its totient is φ = 146092230504.

The previous prime is 220245110419. The next prime is 220245110467. The reversal of 220245110451 is 154011542022.

It is a happy number.

220245110451 is a `hidden beast` number, since 2 + 202 + 4 + 5 + 1 + 1 + 0 + 451 = 666.

It is not a de Polignac number, because 220245110451 - 2⁵ = 220245110419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (220245110951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20490171 + ... + 20500916.

It is an arithmetic number, because the mean of its divisors is an integer number (20495544000).

Almost surely, 2^220245110451 is an apocalyptic number.

220245110451 is a deficient number, since it is larger than the sum of its proper divisors (107683593549).

220245110451 is a wasteful number, since it uses less digits than its factorization.

220245110451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40991295 (or 40991289 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 220245110451 its reverse (154011542022), we get a palindrome (374256652473).

The spelling of 220245110451 in words is "two hundred twenty billion, two hundred forty-five million, one hundred ten thousand, four hundred fifty-one".