20554672115 has 8 divisors (see below), whose sum is σ = 24668355120. Its totient is φ = 16441905312.

The previous prime is 20554672097. The next prime is 20554672139. The reversal of 20554672115 is 51127645502.

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 20554672115 - 2⁶ = 20554672051 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, 178685 + ... + 270254.

It is an arithmetic number, because the mean of its divisors is an integer number (3083544390).

Almost surely, 2^20554672115 is an apocalyptic number.

20554672115 is a deficient number, since it is larger than the sum of its proper divisors (4113683005).

20554672115 is an equidigital number, since it uses as much as digits as its factorization.

20554672115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458101.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 20554672115 in words is "twenty billion, five hundred fifty-four million, six hundred seventy-two thousand, one hundred fifteen".