303030220144 has 40 divisors (see below), whose sum is σ = 607881985920. Its totient is φ = 146166316800.

The previous prime is 303030220123. The next prime is 303030220201. The reversal of 303030220144 is 441022030303.

It is a happy number.

It is a super-2 number, since 2×303030220144² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271489 + ... + 824479.

It is an arithmetic number, because the mean of its divisors is an integer number (15197049648).

Almost surely, 2^303030220144 is an apocalyptic number.

It is an amenable number.

303030220144 is an abundant number, since it is smaller than the sum of its proper divisors (304851765776).

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

303030220144 is a wasteful number, since it uses less digits than its factorization.

303030220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554209 (or 554203 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 303030220144 its reverse (441022030303), we get a palindrome (744052250447).

The spelling of 303030220144 in words is "three hundred three billion, thirty million, two hundred twenty thousand, one hundred forty-four".