20357646153 has 64 divisors (see below), whose sum is σ = 30630942720. Its totient is φ = 11941632000.

The previous prime is 20357646151. The next prime is 20357646163. The reversal of 20357646153 is 35164675302.

It is not a de Polignac number, because 20357646153 - 2¹ = 20357646151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20357646151) 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 63 ways as a sum of consecutive naturals, for example, 35777653 + ... + 35778221.

It is an arithmetic number, because the mean of its divisors is an integer number (478608480).

Almost surely, 2^20357646153 is an apocalyptic number.

It is an amenable number.

20357646153 is a deficient number, since it is larger than the sum of its proper divisors (10273296567).

20357646153 is a wasteful number, since it uses less digits than its factorization.

20357646153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 20357646153 in words is "twenty billion, three hundred fifty-seven million, six hundred forty-six thousand, one hundred fifty-three".