33820996 has 24 divisors (see below), whose sum is σ = 65790144. Its totient is φ = 15082080.

The previous prime is 33820993. The next prime is 33821003. The reversal of 33820996 is 69902833.

It is a super-2 number, since 2×33820996² = 2287719540864032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33820991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4920 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (2741256).

Almost surely, 2^33820996 is an apocalyptic number.

It is an amenable number.

33820996 is a deficient number, since it is larger than the sum of its proper divisors (31969148).

33820996 is a wasteful number, since it uses less digits than its factorization.

33820996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14571 (or 14569 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 33820996 is about 5815.5821720615. The cubic root of 33820996 is about 323.3916466429.

The spelling of 33820996 in words is "thirty-three million, eight hundred twenty thousand, nine hundred ninety-six".