220365215290 has 16 divisors (see below), whose sum is σ = 432717150240. Its totient is φ = 80132805520.

The previous prime is 220365215269. The next prime is 220365215299. The reversal of 220365215290 is 92512563022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220365215299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001659960 + ... + 1001660179.

It is an arithmetic number, because the mean of its divisors is an integer number (27044821890).

Almost surely, 2^220365215290 is an apocalyptic number.

220365215290 is a deficient number, since it is larger than the sum of its proper divisors (212351934950).

220365215290 is a wasteful number, since it uses less digits than its factorization.

220365215290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003320157.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 220365215290 in words is "two hundred twenty billion, three hundred sixty-five million, two hundred fifteen thousand, two hundred ninety".