20003570453153 has 12 divisors (see below), whose sum is σ = 23342864759892. Its totient is φ = 17091829450080.

The previous prime is 20003570453137. The next prime is 20003570453221. The reversal of 20003570453153 is 35135407530002.

It can be written as a sum of positive squares in 2 ways, for example, as 2750446451809 + 17253124001344 = 1658447^2 + 4153688^2 .

It is not a de Polignac number, because 20003570453153 - 2⁴ = 20003570453137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003570453653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643890038 + ... + 643921103.

It is an arithmetic number, because the mean of its divisors is an integer number (1945238729991).

Almost surely, 2^{20003570453153} is an apocalyptic number.

It is an amenable number.

20003570453153 is a deficient number, since it is larger than the sum of its proper divisors (3339294306739).

20003570453153 is a wasteful number, since it uses less digits than its factorization.

20003570453153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287811472 (or 1287811465 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 38.

Adding to 20003570453153 its reverse (35135407530002), we get a palindrome (55138977983155).

The spelling of 20003570453153 in words is "twenty trillion, three billion, five hundred seventy million, four hundred fifty-three thousand, one hundred fifty-three".