20676577915 has 8 divisors (see below), whose sum is σ = 28356449760. Its totient is φ = 14178224832.

The previous prime is 20676577793. The next prime is 20676577931. The reversal of 20676577915 is 51977567602.

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 20676577915 - 2¹⁵ = 20676545147 is a prime.

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, 295379650 + ... + 295379719.

It is an arithmetic number, because the mean of its divisors is an integer number (3544556220).

Almost surely, 2^20676577915 is an apocalyptic number.

20676577915 is a deficient number, since it is larger than the sum of its proper divisors (7679871845).

20676577915 is an equidigital number, since it uses as much as digits as its factorization.

20676577915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590759381.

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 20676577915 in words is "twenty billion, six hundred seventy-six million, five hundred seventy-seven thousand, nine hundred fifteen".