30122030220 has 48 divisors (see below), whose sum is σ = 86136196608. Its totient is φ = 7861635520.

The previous prime is 30122030203. The next prime is 30122030221. The reversal of 30122030220 is 2203022103.

It is a super-3 number, since 3×30122030220³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30122030220.

It is not an unprimeable number, because it can be changed into a prime (30122030221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5337966 + ... + 5343605.

It is an arithmetic number, because the mean of its divisors is an integer number (1794504096).

Almost surely, 2^30122030220 is an apocalyptic number.

30122030220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30122030220 is an abundant number, since it is smaller than the sum of its proper divisors (56014166388).

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

30122030220 is a wasteful number, since it uses less digits than its factorization.

30122030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681630 (or 10681628 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30122030220 its reverse (2203022103), we get a palindrome (32325052323).

The spelling of 30122030220 in words is "thirty billion, one hundred twenty-two million, thirty thousand, two hundred twenty".