30026722820 has 24 divisors (see below), whose sum is σ = 64245858264. Its totient is φ = 11784071936.

The previous prime is 30026722811. The next prime is 30026722841. The reversal of 30026722820 is 2822762003.

It can be written as a sum of positive squares in 4 ways, for example, as 4211231236 + 25815491584 = 64894^2 + 160672^2 .

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, 14162489 + ... + 14164608.

It is an arithmetic number, because the mean of its divisors is an integer number (2676910761).

Almost surely, 2^30026722820 is an apocalyptic number.

It is an amenable number.

30026722820 is an abundant number, since it is smaller than the sum of its proper divisors (34219135444).

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

30026722820 is a wasteful number, since it uses less digits than its factorization.

30026722820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28327159 (or 28327157 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 30026722820 in words is "thirty billion, twenty-six million, seven hundred twenty-two thousand, eight hundred twenty".