30664220290 has 32 divisors (see below), whose sum is σ = 60221905920. Its totient is φ = 11149046400.

The previous prime is 30664220267. The next prime is 30664220291. The reversal of 30664220290 is 9202246603.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30664220291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997855 + ... + 1028125.

It is an arithmetic number, because the mean of its divisors is an integer number (1881934560).

Almost surely, 2^30664220290 is an apocalyptic number.

30664220290 is a deficient number, since it is larger than the sum of its proper divisors (29557685630).

30664220290 is a wasteful number, since it uses less digits than its factorization.

30664220290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39498.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 30664220290 its reverse (9202246603), we get a palindrome (39866466893).

The spelling of 30664220290 in words is "thirty billion, six hundred sixty-four million, two hundred twenty thousand, two hundred ninety".