33321013420 has 48 divisors (see below), whose sum is σ = 70890744960. Its totient is φ = 13153959936.

The previous prime is 33321013417. The next prime is 33321013471. The reversal of 33321013420 is 2431012333.

It is a super-2 number, since 2×33321013420² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33321013391 and 33321013400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7128204 + ... + 7132876.

It is an arithmetic number, because the mean of its divisors is an integer number (1476890520).

Almost surely, 2^33321013420 is an apocalyptic number.

It is an amenable number.

33321013420 is an abundant number, since it is smaller than the sum of its proper divisors (37569731540).

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

33321013420 is a wasteful number, since it uses less digits than its factorization.

33321013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274 (or 9272 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33321013420 its reverse (2431012333), we get a palindrome (35752025753).

The spelling of 33321013420 in words is "thirty-three billion, three hundred twenty-one million, thirteen thousand, four hundred twenty".