33020112550 has 12 divisors (see below), whose sum is σ = 61417409436. Its totient is φ = 13208045000.

The previous prime is 33020112529. The next prime is 33020112553. The reversal of 33020112550 is 5521102033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020112553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330201076 + ... + 330201175.

It is an arithmetic number, because the mean of its divisors is an integer number (5118117453).

Almost surely, 2^33020112550 is an apocalyptic number.

33020112550 is a deficient number, since it is larger than the sum of its proper divisors (28397296886).

33020112550 is a wasteful number, since it uses less digits than its factorization.

33020112550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660402263 (or 660402258 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 33020112550 its reverse (5521102033), we get a palindrome (38541214583).

The spelling of 33020112550 in words is "thirty-three billion, twenty million, one hundred twelve thousand, five hundred fifty".