20302433153 has 4 divisors (see below), whose sum is σ = 20635259988. Its totient is φ = 19969606320.

The previous prime is 20302433143. The next prime is 20302433167. The reversal of 20302433153 is 35133420302.

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 5468898304 + 14833534849 = 73952^2 + 121793^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302433153 - 2²⁴ = 20285655937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302433113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166413326 + ... + 166413447.

It is an arithmetic number, because the mean of its divisors is an integer number (5158814997).

Almost surely, 2^20302433153 is an apocalyptic number.

It is an amenable number.

20302433153 is a deficient number, since it is larger than the sum of its proper divisors (332826835).

20302433153 is an equidigital number, since it uses as much as digits as its factorization.

20302433153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332826834.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20302433153 its reverse (35133420302), we get a palindrome (55435853455).

The spelling of 20302433153 in words is "twenty billion, three hundred two million, four hundred thirty-three thousand, one hundred fifty-three".