33620012 has 6 divisors (see below), whose sum is σ = 58835028. Its totient is φ = 16810004.

The previous prime is 33620003. The next prime is 33620039. The reversal of 33620012 is 21002633.

It is a super-2 number, since 2×33620012² = 2260610413760288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4202498 + ... + 4202505.

It is an arithmetic number, because the mean of its divisors is an integer number (9805838).

Almost surely, 2^33620012 is an apocalyptic number.

It is an amenable number.

33620012 is a deficient number, since it is larger than the sum of its proper divisors (25215016).

33620012 is a wasteful number, since it uses less digits than its factorization.

33620012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8405007 (or 8405005 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 33620012 is about 5798.2766405200. The cubic root of 33620012 is about 322.7497798517.

Adding to 33620012 its reverse (21002633), we get a palindrome (54622645).

The spelling of 33620012 in words is "thirty-three million, six hundred twenty thousand, twelve".