33330023420 has 24 divisors (see below), whose sum is σ = 70024019184. Its totient is φ = 13326110336.

The previous prime is 33330023411. The next prime is 33330023509. The reversal of 33330023420 is 2432003333.

It is a super-2 number, since 2×33330023420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322217 + ... + 412896.

It is an arithmetic number, because the mean of its divisors is an integer number (2917667466).

Almost surely, 2^33330023420 is an apocalyptic number.

It is an amenable number.

33330023420 is an abundant number, since it is smaller than the sum of its proper divisors (36693995764).

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

33330023420 is a wasteful number, since it uses less digits than its factorization.

33330023420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737389 (or 737387 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 33330023420 its reverse (2432003333), we get a palindrome (35762026753).

The spelling of 33330023420 in words is "thirty-three billion, three hundred thirty million, twenty-three thousand, four hundred twenty".