220315511242 has 8 divisors (see below), whose sum is σ = 332850772800. Its totient is φ = 109365253644.

The previous prime is 220315511209. The next prime is 220315511261. The reversal of 220315511242 is 242115513022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220315511242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396250642 + ... + 396251197.

It is an arithmetic number, because the mean of its divisors is an integer number (41606346600).

Almost surely, 2^220315511242 is an apocalyptic number.

220315511242 is a deficient number, since it is larger than the sum of its proper divisors (112535261558).

220315511242 is a wasteful number, since it uses less digits than its factorization.

220315511242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792501980.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 220315511242 in words is "two hundred twenty billion, three hundred fifteen million, five hundred eleven thousand, two hundred forty-two".