20330533415 has 4 divisors (see below), whose sum is σ = 24396640104. Its totient is φ = 16264426728.

The previous prime is 20330533397. The next prime is 20330533439. The reversal of 20330533415 is 51433503302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20330533415 - 2¹² = 20330529319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033053337 + ... + 2033053346.

It is an arithmetic number, because the mean of its divisors is an integer number (6099160026).

Almost surely, 2^20330533415 is an apocalyptic number.

20330533415 is a deficient number, since it is larger than the sum of its proper divisors (4066106689).

20330533415 is an equidigital number, since it uses as much as digits as its factorization.

20330533415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066106688.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 20330533415 in words is "twenty billion, three hundred thirty million, five hundred thirty-three thousand, four hundred fifteen".