33125020 has 12 divisors (see below), whose sum is σ = 69562584. Its totient is φ = 13250000.

The previous prime is 33125009. The next prime is 33125041. The reversal of 33125020 is 2052133.

It is a junction number, because it is equal to n+sod(n) for n = 33124985 and 33125003.

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, 828106 + ... + 828145.

It is an arithmetic number, because the mean of its divisors is an integer number (5796882).

Almost surely, 2^33125020 is an apocalyptic number.

It is an amenable number.

33125020 is an abundant number, since it is smaller than the sum of its proper divisors (36437564).

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

33125020 is a wasteful number, since it uses less digits than its factorization.

33125020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656260 (or 1656258 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 33125020 is about 5755.4339540994. The cubic root of 33125020 is about 321.1579790637.

Adding to 33125020 its reverse (2052133), we get a palindrome (35177153).

The spelling of 33125020 in words is "thirty-three million, one hundred twenty-five thousand, twenty".