30420233 has 8 divisors (see below), whose sum is σ = 31145088. Its totient is φ = 29698704.

The previous prime is 30420227. The next prime is 30420239. The reversal of 30420233 is 33202403.

It is an interprime number because it is at equal distance from previous prime (30420227) and next prime (30420239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30420233 - 2¹⁶ = 30354697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30420239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34010 + ... + 34892.

It is an arithmetic number, because the mean of its divisors is an integer number (3893136).

Almost surely, 2^30420233 is an apocalyptic number.

It is an amenable number.

30420233 is a deficient number, since it is larger than the sum of its proper divisors (724855).

30420233 is an equidigital number, since it uses as much as digits as its factorization.

30420233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30420233 is about 5515.4540157633. The cubic root of 30420233 is about 312.1673747190.

Adding to 30420233 its reverse (33202403), we get a palindrome (63622636).

The spelling of 30420233 in words is "thirty million, four hundred twenty thousand, two hundred thirty-three".