20166515324 has 12 divisors (see below), whose sum is σ = 35323876224. Its totient is φ = 10073979264.

The previous prime is 20166515297. The next prime is 20166515329. The reversal of 20166515324 is 42351566102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20166515329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314709 + ... + 2323404.

It is an arithmetic number, because the mean of its divisors is an integer number (2943656352).

Almost surely, 2^20166515324 is an apocalyptic number.

It is an amenable number.

20166515324 is a deficient number, since it is larger than the sum of its proper divisors (15157360900).

20166515324 is a wasteful number, since it uses less digits than its factorization.

20166515324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639204 (or 4639202 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 20166515324 in words is "twenty billion, one hundred sixty-six million, five hundred fifteen thousand, three hundred twenty-four".