20302411123 has 8 divisors (see below), whose sum is σ = 20388430800. Its totient is φ = 20216569728.

The previous prime is 20302411099. The next prime is 20302411127. The reversal of 20302411123 is 32111420302.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302411123 is a prime.

It is a super-2 number, since 2×20302411123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20302411123.

It is not an unprimeable number, because it can be changed into a prime (20302411127) 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 7 ways as a sum of consecutive naturals, for example, 186183 + ... + 274351.

It is an arithmetic number, because the mean of its divisors is an integer number (2548553850).

Almost surely, 2^20302411123 is an apocalyptic number.

20302411123 is a deficient number, since it is larger than the sum of its proper divisors (86019677).

20302411123 is an equidigital number, since it uses as much as digits as its factorization.

20302411123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89141.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20302411123 its reverse (32111420302), we get a palindrome (52413831425).

The spelling of 20302411123 in words is "twenty billion, three hundred two million, four hundred eleven thousand, one hundred twenty-three".