30044220020 has 48 divisors (see below), whose sum is σ = 67140057600. Its totient is φ = 11253901824.

The previous prime is 30044219983. The next prime is 30044220043. The reversal of 30044220020 is 2002244003.

It is a super-2 number, since 2×30044220020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154364 + ... + 289683.

It is an arithmetic number, because the mean of its divisors is an integer number (1398751200).

Almost surely, 2^30044220020 is an apocalyptic number.

It is an amenable number.

30044220020 is an abundant number, since it is smaller than the sum of its proper divisors (37095837580).

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

30044220020 is a wasteful number, since it uses less digits than its factorization.

30044220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444272 (or 444270 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 30044220020 its reverse (2002244003), we get a palindrome (32046464023).

The spelling of 30044220020 in words is "thirty billion, forty-four million, two hundred twenty thousand, twenty".