20304133015 has 8 divisors (see below), whose sum is σ = 24601513248. Its totient is φ = 16085604000.

The previous prime is 20304132943. The next prime is 20304133021. The reversal of 20304133015 is 51033140302.

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

It is not a de Polignac number, because 20304133015 - 2⁹ = 20304132503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19712236 + ... + 19713265.

It is an arithmetic number, because the mean of its divisors is an integer number (3075189156).

Almost surely, 2^20304133015 is an apocalyptic number.

20304133015 is a deficient number, since it is larger than the sum of its proper divisors (4297380233).

20304133015 is a wasteful number, since it uses less digits than its factorization.

20304133015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39425609.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20304133015 its reverse (51033140302), we get a palindrome (71337273317).

The spelling of 20304133015 in words is "twenty billion, three hundred four million, one hundred thirty-three thousand, fifteen".