20150066541 has 32 divisors (see below), whose sum is σ = 30139491456. Its totient is φ = 11867040000.

The previous prime is 20150066539. The next prime is 20150066543. The reversal of 20150066541 is 14566005102.

It is an interprime number because it is at equal distance from previous prime (20150066539) and next prime (20150066543).

It is not a de Polignac number, because 20150066541 - 2¹ = 20150066539 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20150066499 and 20150066508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150066543) 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 31 ways as a sum of consecutive naturals, for example, 992391 + ... + 1012491.

It is an arithmetic number, because the mean of its divisors is an integer number (941859108).

Almost surely, 2^20150066541 is an apocalyptic number.

It is an amenable number.

20150066541 is a deficient number, since it is larger than the sum of its proper divisors (9989424915).

20150066541 is a wasteful number, since it uses less digits than its factorization.

20150066541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20973.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 20150066541 in words is "twenty billion, one hundred fifty million, sixty-six thousand, five hundred forty-one".