20015377441507 has 12 divisors (see below), whose sum is σ = 23283356502936. Its totient is φ = 17155918190880.

The previous prime is 20015377441481. The next prime is 20015377441511. The reversal of 20015377441507 is 70514477351002.

It is not a de Polignac number, because 20015377441507 - 2¹⁹ = 20015376917219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20015377441567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6074407 + ... + 8770927.

It is an arithmetic number, because the mean of its divisors is an integer number (1940279708578).

Almost surely, 2^{20015377441507} is an apocalyptic number.

20015377441507 is a deficient number, since it is larger than the sum of its proper divisors (3267979061429).

20015377441507 is a wasteful number, since it uses less digits than its factorization.

20015377441507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848018 (or 2848011 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 20015377441507 in words is "twenty trillion, fifteen billion, three hundred seventy-seven million, four hundred forty-one thousand, five hundred seven".