220545400002 has 32 divisors (see below), whose sum is σ = 460805345280. Its totient is φ = 70286519760.

The previous prime is 220545399983. The next prime is 220545400003. The reversal of 220545400002 is 200004545022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220545400003) 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, 7127502 + ... + 7158377.

It is an arithmetic number, because the mean of its divisors is an integer number (14400167040).

Almost surely, 2^220545400002 is an apocalyptic number.

220545400002 is an abundant number, since it is smaller than the sum of its proper divisors (240259945278).

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

220545400002 is a wasteful number, since it uses less digits than its factorization.

220545400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14285998.

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 220545400002 its reverse (200004545022), we get a palindrome (420549945024).

The spelling of 220545400002 in words is "two hundred twenty billion, five hundred forty-five million, four hundred thousand, two".