220311203030 has 16 divisors (see below), whose sum is σ = 396601134624. Its totient is φ = 88115376960.

The previous prime is 220311203009. The next prime is 220311203051. The reversal of 220311203030 is 30302113022.

220311203030 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220311203009) and next prime (220311203051).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035962 + ... + 1230381.

It is an arithmetic number, because the mean of its divisors is an integer number (24787570914).

Almost surely, 2^220311203030 is an apocalyptic number.

220311203030 is a deficient number, since it is larger than the sum of its proper divisors (176289931594).

220311203030 is a wasteful number, since it uses less digits than its factorization.

220311203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276071.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 220311203030 its reverse (30302113022), we get a palindrome (250613316052).

The spelling of 220311203030 in words is "two hundred twenty billion, three hundred eleven million, two hundred three thousand, thirty".