33455334020 has 48 divisors (see below), whose sum is σ = 73377577728. Its totient is φ = 12788645760.

The previous prime is 33455334019. The next prime is 33455334023. The reversal of 33455334020 is 2043355433.

It is a super-2 number, since 2×33455334020² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33455334023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481265 + ... + 546375.

It is an arithmetic number, because the mean of its divisors is an integer number (1528699536).

Almost surely, 2^33455334020 is an apocalyptic number.

It is an amenable number.

33455334020 is an abundant number, since it is smaller than the sum of its proper divisors (39922243708).

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

33455334020 is a wasteful number, since it uses less digits than its factorization.

33455334020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66260 (or 66258 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 33455334020 its reverse (2043355433), we get a palindrome (35498689453).

The spelling of 33455334020 in words is "thirty-three billion, four hundred fifty-five million, three hundred thirty-four thousand, twenty".