33820408061 has 8 divisors (see below), whose sum is σ = 36898110048. Its totient is φ = 30743226000.

The previous prime is 33820408051. The next prime is 33820408067. The reversal of 33820408061 is 16080402833.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33820408061 - 2¹⁴ = 33820391677 is a prime.

It is a super-2 number, since 2×33820408061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33820408067) 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, 12866 + ... + 260396.

It is an arithmetic number, because the mean of its divisors is an integer number (4612263756).

Almost surely, 2^33820408061 is an apocalyptic number.

It is an amenable number.

33820408061 is a deficient number, since it is larger than the sum of its proper divisors (3077701987).

33820408061 is a wasteful number, since it uses less digits than its factorization.

33820408061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259963.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 33820408061 in words is "thirty-three billion, eight hundred twenty million, four hundred eight thousand, sixty-one".