20829200153 has 4 divisors (see below), whose sum is σ = 20829751140. Its totient is φ = 20828649168.

The previous prime is 20829200143. The next prime is 20829200219. The reversal of 20829200153 is 35100292802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20774321689 + 54878464 = 144133^2 + 7408^2 .

It is a cyclic number.

It is not a de Polignac number, because 20829200153 - 2¹⁰ = 20829199129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20829200123) 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 3 ways as a sum of consecutive naturals, for example, 214250 + ... + 295907.

It is an arithmetic number, because the mean of its divisors is an integer number (5207437785).

Almost surely, 2^20829200153 is an apocalyptic number.

It is an amenable number.

20829200153 is a deficient number, since it is larger than the sum of its proper divisors (550987).

20829200153 is an equidigital number, since it uses as much as digits as its factorization.

20829200153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550986.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 20829200153 its reverse (35100292802), we get a palindrome (55929492955).

The spelling of 20829200153 in words is "twenty billion, eight hundred twenty-nine million, two hundred thousand, one hundred fifty-three".