20005150757415 has 16 divisors (see below), whose sum is σ = 32023607676288. Its totient is φ = 10664291582496.

The previous prime is 20005150757413. The next prime is 20005150757429. The reversal of 20005150757415 is 51475705150002.

It is not a de Polignac number, because 20005150757415 - 2¹ = 20005150757413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005150757413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320102389 + ... + 320164878.

It is an arithmetic number, because the mean of its divisors is an integer number (2001475479768).

Almost surely, 2^{20005150757415} is an apocalyptic number.

20005150757415 is a deficient number, since it is larger than the sum of its proper divisors (12018456918873).

20005150757415 is a wasteful number, since it uses less digits than its factorization.

20005150757415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640269358.

The product of its (nonzero) digits is 245000, while the sum is 42.

The spelling of 20005150757415 in words is "twenty trillion, five billion, one hundred fifty million, seven hundred fifty-seven thousand, four hundred fifteen".