20005500015 has 32 divisors (see below), whose sum is σ = 35594381760. Its totient is φ = 10660885632.

The previous prime is 20005500013. The next prime is 20005500029. The reversal of 20005500015 is 51000550002.

It is not a de Polignac number, because 20005500015 - 2¹ = 20005500013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005500013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107097 + ... + 226893.

It is an arithmetic number, because the mean of its divisors is an integer number (1112324430).

Almost surely, 2^20005500015 is an apocalyptic number.

20005500015 is a deficient number, since it is larger than the sum of its proper divisors (15588881745).

20005500015 is a wasteful number, since it uses less digits than its factorization.

20005500015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121048 (or 121042 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The spelling of 20005500015 in words is "twenty billion, five million, five hundred thousand, fifteen".