33552144020 has 12 divisors (see below), whose sum is σ = 70459502484. Its totient is φ = 13420857600.

The previous prime is 33552143981. The next prime is 33552144049. The reversal of 33552144020 is 2044125533.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24335376004 + 9216768016 = 155998^2 + 96004^2 .

It is a super-2 number, since 2×33552144020² (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 3 ways as a sum of consecutive naturals, for example, 838803581 + ... + 838803620.

It is an arithmetic number, because the mean of its divisors is an integer number (5871625207).

Almost surely, 2^33552144020 is an apocalyptic number.

It is an amenable number.

33552144020 is an abundant number, since it is smaller than the sum of its proper divisors (36907358464).

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

33552144020 is a wasteful number, since it uses less digits than its factorization.

33552144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677607210 (or 1677607208 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 33552144020 its reverse (2044125533), we get a palindrome (35596269553).

The spelling of 33552144020 in words is "thirty-three billion, five hundred fifty-two million, one hundred forty-four thousand, twenty".