30122520320220 has 96 divisors (see below), whose sum is σ = 84489076982016. Its totient is φ = 8018769715200.

The previous prime is 30122520320209. The next prime is 30122520320237. The reversal of 30122520320220 is 2202302522103.

It is a happy number.

It is a super-2 number, since 2×30122520320220² (a number of 28 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 31 ways as a sum of consecutive naturals, for example, 235734387 + ... + 235862133.

It is an arithmetic number, because the mean of its divisors is an integer number (880094551896).

Almost surely, 2^{30122520320220} is an apocalyptic number.

30122520320220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30122520320220 is an abundant number, since it is smaller than the sum of its proper divisors (54366556661796).

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

30122520320220 is a wasteful number, since it uses less digits than its factorization.

30122520320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134531 (or 134529 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 30122520320220 its reverse (2202302522103), we get a palindrome (32324822842323).

The spelling of 30122520320220 in words is "thirty trillion, one hundred twenty-two billion, five hundred twenty million, three hundred twenty thousand, two hundred twenty".