20385046153 has 2 divisors, whose sum is σ = 20385046154. Its totient is φ = 20385046152.

The previous prime is 20385046151. The next prime is 20385046169. The reversal of 20385046153 is 35164058302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19986325129 + 398721024 = 141373^2 + 19968^2 .

It is a cyclic number.

It is not a de Polignac number, because 20385046153 - 2¹ = 20385046151 is a prime.

Together with 20385046151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20385046151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192523076 + 10192523077.

It is an arithmetic number, because the mean of its divisors is an integer number (10192523077).

Almost surely, 2^20385046153 is an apocalyptic number.

It is an amenable number.

20385046153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20385046153 is an equidigital number, since it uses as much as digits as its factorization.

20385046153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20385046153 in words is "twenty billion, three hundred eighty-five million, forty-six thousand, one hundred fifty-three".