20852007147 has 12 divisors (see below), whose sum is σ = 31235105720. Its totient is φ = 13901337936.

The previous prime is 20852007131. The next prime is 20852007179. The reversal of 20852007147 is 74170025802.

20852007147 is a `hidden beast` number, since 20 + 8 + 520 + 0 + 71 + 47 = 666.

It is not a de Polignac number, because 20852007147 - 2⁴ = 20852007131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20852007347) 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 11 ways as a sum of consecutive naturals, for example, 42905122 + ... + 42905607.

Almost surely, 2^20852007147 is an apocalyptic number.

20852007147 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20852007147 is a deficient number, since it is larger than the sum of its proper divisors (10383098573).

20852007147 is an frugal number, since it uses more digits than its factorization.

20852007147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85810744 (or 85810732 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 20852007147 in words is "twenty billion, eight hundred fifty-two million, seven thousand, one hundred forty-seven".