33465425220 has 108 divisors (see below), whose sum is σ = 105133375620. Its totient is φ = 8616346368.

The previous prime is 33465425179. The next prime is 33465425233. The reversal of 33465425220 is 2252456433.

33465425220 is a `hidden beast` number, since 3 + 3 + 4 + 6 + 5 + 425 + 220 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3281227524 + 30184197696 = 57282^2 + 173736^2 .

It is a super-2 number, since 2×33465425220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 40846 + ... + 261914.

Almost surely, 2^33465425220 is an apocalyptic number.

33465425220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33465425220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52566687810).

33465425220 is an abundant number, since it is smaller than the sum of its proper divisors (71667950400).

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

33465425220 is a wasteful number, since it uses less digits than its factorization.

33465425220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221142 (or 221108 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 33465425220 in words is "thirty-three billion, four hundred sixty-five million, four hundred twenty-five thousand, two hundred twenty".