20303120212133 has 8 divisors (see below), whose sum is σ = 23451732437760. Its totient is φ = 17371653657280.

The previous prime is 20303120212129. The next prime is 20303120212139. The reversal of 20303120212133 is 33121202130302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20303120212133 - 2² = 20303120212129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20303120212099 and 20303120212108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303120212139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54286417493 + ... + 54286417866.

It is an arithmetic number, because the mean of its divisors is an integer number (2931466554720).

Almost surely, 2^{20303120212133} is an apocalyptic number.

It is an amenable number.

20303120212133 is a deficient number, since it is larger than the sum of its proper divisors (3148612225627).

20303120212133 is a wasteful number, since it uses less digits than its factorization.

20303120212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108572835387.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20303120212133 its reverse (33121202130302), we get a palindrome (53424322342435).

The spelling of 20303120212133 in words is "twenty trillion, three hundred three billion, one hundred twenty million, two hundred twelve thousand, one hundred thirty-three".