33321323020 has 24 divisors (see below), whose sum is σ = 70096076064. Its totient is φ = 13305424896.

The previous prime is 33321323011. The next prime is 33321323023. The reversal of 33321323020 is 2032312333.

It is a super-2 number, since 2×33321323020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33321322982 and 33321323000.

It is not an unprimeable number, because it can be changed into a prime (33321323023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432192 + ... + 1455271.

It is an arithmetic number, because the mean of its divisors is an integer number (2920669836).

Almost surely, 2^33321323020 is an apocalyptic number.

It is an amenable number.

33321323020 is an abundant number, since it is smaller than the sum of its proper divisors (36774753044).

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

33321323020 is a wasteful number, since it uses less digits than its factorization.

33321323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888049 (or 2888047 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 33321323020 its reverse (2032312333), we get a palindrome (35353635353).

The spelling of 33321323020 in words is "thirty-three billion, three hundred twenty-one million, three hundred twenty-three thousand, twenty".