33444012020 has 24 divisors (see below), whose sum is σ = 70888807584. Its totient is φ = 13252579616.

The previous prime is 33444012011. The next prime is 33444012031. The reversal of 33444012020 is 2021044433.

It is a super-2 number, since 2×33444012020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7811882 + ... + 7816161.

It is an arithmetic number, because the mean of its divisors is an integer number (2953700316).

Almost surely, 2^33444012020 is an apocalyptic number.

It is an amenable number.

33444012020 is an abundant number, since it is smaller than the sum of its proper divisors (37444795564).

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

33444012020 is a wasteful number, since it uses less digits than its factorization.

33444012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15628159 (or 15628157 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 33444012020 its reverse (2021044433), we get a palindrome (35465056453).

The spelling of 33444012020 in words is "thirty-three billion, four hundred forty-four million, twelve thousand, twenty".