33225434020 has 48 divisors (see below), whose sum is σ = 70298928000. Its totient is φ = 13190411520.

The previous prime is 33225434003. The next prime is 33225434069. The reversal of 33225434020 is 2043452233.

It is a super-2 number, since 2×33225434020² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33225434020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617615 + ... + 1638025.

It is an arithmetic number, because the mean of its divisors is an integer number (1464561000).

Almost surely, 2^33225434020 is an apocalyptic number.

It is an amenable number.

33225434020 is an abundant number, since it is smaller than the sum of its proper divisors (37073493980).

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

33225434020 is a wasteful number, since it uses less digits than its factorization.

33225434020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21028 (or 21026 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 33225434020 its reverse (2043452233), we get a palindrome (35268886253).

The spelling of 33225434020 in words is "thirty-three billion, two hundred twenty-five million, four hundred thirty-four thousand, twenty".