20411203323 has 32 divisors (see below), whose sum is σ = 33073837056. Its totient is φ = 10930295808.

The previous prime is 20411203301. The next prime is 20411203331. The reversal of 20411203323 is 32330211402.

It is not a de Polignac number, because 20411203323 - 2⁶ = 20411203259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20411203323.

It is not an unprimeable number, because it can be changed into a prime (20411203333) 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 31 ways as a sum of consecutive naturals, for example, 39511 + ... + 205872.

It is an arithmetic number, because the mean of its divisors is an integer number (1033557408).

Almost surely, 2^20411203323 is an apocalyptic number.

20411203323 is a deficient number, since it is larger than the sum of its proper divisors (12662633733).

20411203323 is a wasteful number, since it uses less digits than its factorization.

20411203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245643.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20411203323 its reverse (32330211402), we get a palindrome (52741414725).

The spelling of 20411203323 in words is "twenty billion, four hundred eleven million, two hundred three thousand, three hundred twenty-three".