30420404433 has 24 divisors (see below), whose sum is σ = 44461778400. Its totient is φ = 20040001344.

The previous prime is 30420404383. The next prime is 30420404459. The reversal of 30420404433 is 33440402403.

It is not a de Polignac number, because 30420404433 - 2⁸ = 30420404177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30420404397 and 30420404406.

It is not an unprimeable number, because it can be changed into a prime (30420404533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1388478 + ... + 1410216.

It is an arithmetic number, because the mean of its divisors is an integer number (1852574100).

Almost surely, 2^30420404433 is an apocalyptic number.

It is an amenable number.

30420404433 is a deficient number, since it is larger than the sum of its proper divisors (14041373967).

30420404433 is a wasteful number, since it uses less digits than its factorization.

30420404433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23581 (or 23578 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 30420404433 its reverse (33440402403), we get a palindrome (63860806836).

The spelling of 30420404433 in words is "thirty billion, four hundred twenty million, four hundred four thousand, four hundred thirty-three".