33240430220213 has 32 divisors (see below), whose sum is σ = 36029708305920. Its totient is φ = 30585163023360.

The previous prime is 33240430220183. The next prime is 33240430220227. The reversal of 33240430220213 is 31202203404233.

It is a cyclic number.

It is not a de Polignac number, because 33240430220213 - 2⁸ = 33240430219957 is a prime.

It is a super-2 number, since 2×33240430220213² (a number of 28 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 (33240430220293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223859048 + ... + 224007486.

It is an arithmetic number, because the mean of its divisors is an integer number (1125928384560).

Almost surely, 2^{33240430220213} is an apocalyptic number.

It is an amenable number.

33240430220213 is a deficient number, since it is larger than the sum of its proper divisors (2789278085707).

33240430220213 is a wasteful number, since it uses less digits than its factorization.

33240430220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151829.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 33240430220213 its reverse (31202203404233), we get a palindrome (64442633624446).

The spelling of 33240430220213 in words is "thirty-three trillion, two hundred forty billion, four hundred thirty million, two hundred twenty thousand, two hundred thirteen".