33030302420 has 12 divisors (see below), whose sum is σ = 69363635124. Its totient is φ = 13212120960.

The previous prime is 33030302419. The next prime is 33030302429. The reversal of 33030302420 is 2420303033.

It can be written as a sum of positive squares in 2 ways, for example, as 6418252996 + 26612049424 = 80114^2 + 163132^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1651515121 = 33030302420 / (3 + 3 + 0 + 3 + 0 + 3 + 0 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 33030302392 and 33030302401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030302429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825757541 + ... + 825757580.

It is an arithmetic number, because the mean of its divisors is an integer number (5780302927).

Almost surely, 2^33030302420 is an apocalyptic number.

It is an amenable number.

33030302420 is an abundant number, since it is smaller than the sum of its proper divisors (36333332704).

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

33030302420 is a wasteful number, since it uses less digits than its factorization.

33030302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651515130 (or 1651515128 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 33030302420 its reverse (2420303033), we get a palindrome (35450605453).

The spelling of 33030302420 in words is "thirty-three billion, thirty million, three hundred two thousand, four hundred twenty".