33020030 has 8 divisors (see below), whose sum is σ = 59436072. Its totient is φ = 13208008.

The previous prime is 33019997. The next prime is 33020089. The reversal of 33020030 is 3002033.

It is a happy number.

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

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 33019993 and 33020020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650992 + ... + 1651011.

It is an arithmetic number, because the mean of its divisors is an integer number (7429509).

Almost surely, 2^33020030 is an apocalyptic number.

33020030 is a deficient number, since it is larger than the sum of its proper divisors (26416042).

33020030 is a wasteful number, since it uses less digits than its factorization.

33020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302010.

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 33020030 is about 5746.3057697968. The cubic root of 33020030 is about 320.8183157454.

Adding to 33020030 its reverse (3002033), we get a palindrome (36022063).

The spelling of 33020030 in words is "thirty-three million, twenty thousand, thirty".