33313012020 has 96 divisors (see below), whose sum is σ = 103671590400. Its totient is φ = 8880803712.

The previous prime is 33313012001. The next prime is 33313012079. The reversal of 33313012020 is 2021031333.

33313012020 is a `hidden beast` number, since 333 + 130 + 1 + 202 + 0 = 666.

It is a super-4 number, since 4×33313012020⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33313011984 and 33313012002.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2345701 + ... + 2359859.

It is an arithmetic number, because the mean of its divisors is an integer number (1079912400).

Almost surely, 2^33313012020 is an apocalyptic number.

33313012020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33313012020 is an abundant number, since it is smaller than the sum of its proper divisors (70358578380).

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

33313012020 is a wasteful number, since it uses less digits than its factorization.

33313012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18534 (or 18526 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 33313012020 its reverse (2021031333), we get a palindrome (35334043353).

The spelling of 33313012020 in words is "thirty-three billion, three hundred thirteen million, twelve thousand, twenty".