20015337055 has 8 divisors (see below), whose sum is σ = 27449605152. Its totient is φ = 13724802528.

The previous prime is 20015337047. The next prime is 20015337061. The reversal of 20015337055 is 55073351002.

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 20015337055 - 2³ = 20015337047 is a prime.

It is a super-2 number, since 2×20015337055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 285933352 + ... + 285933421.

It is an arithmetic number, because the mean of its divisors is an integer number (3431200644).

Almost surely, 2^20015337055 is an apocalyptic number.

20015337055 is a deficient number, since it is larger than the sum of its proper divisors (7434268097).

20015337055 is an equidigital number, since it uses as much as digits as its factorization.

20015337055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571866785.

The product of its (nonzero) digits is 15750, while the sum is 31.

Adding to 20015337055 its reverse (55073351002), we get a palindrome (75088688057).

The spelling of 20015337055 in words is "twenty billion, fifteen million, three hundred thirty-seven thousand, fifty-five".