20084515215 has 8 divisors (see below), whose sum is σ = 32135224368. Its totient is φ = 10711741440.

The previous prime is 20084515189. The next prime is 20084515223. The reversal of 20084515215 is 51251548002.

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

It is not a de Polignac number, because 20084515215 - 2⁸ = 20084514959 is a prime.

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, 669483826 + ... + 669483855.

It is an arithmetic number, because the mean of its divisors is an integer number (4016903046).

Almost surely, 2^20084515215 is an apocalyptic number.

20084515215 is a deficient number, since it is larger than the sum of its proper divisors (12050709153).

20084515215 is a wasteful number, since it uses less digits than its factorization.

20084515215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338967689.

The product of its (nonzero) digits is 16000, while the sum is 33.

The spelling of 20084515215 in words is "twenty billion, eighty-four million, five hundred fifteen thousand, two hundred fifteen".