20018051151 has 8 divisors (see below), whose sum is σ = 30503697024. Its totient is φ = 11438886360.

The previous prime is 20018051149. The next prime is 20018051159. The reversal of 20018051151 is 15115081002.

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

It is not a de Polignac number, because 20018051151 - 2¹ = 20018051149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20018051159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476620245 + ... + 476620286.

It is an arithmetic number, because the mean of its divisors is an integer number (3812962128).

Almost surely, 2^20018051151 is an apocalyptic number.

20018051151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20018051151 is a deficient number, since it is larger than the sum of its proper divisors (10485645873).

20018051151 is an equidigital number, since it uses as much as digits as its factorization.

20018051151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953240541.

The product of its (nonzero) digits is 400, while the sum is 24.

The spelling of 20018051151 in words is "twenty billion, eighteen million, fifty-one thousand, one hundred fifty-one".