20003323111206 has 32 divisors (see below), whose sum is σ = 40233805920000. Its totient is φ = 6630017163744.

The previous prime is 20003323111159. The next prime is 20003323111207. The reversal of 20003323111206 is 60211132330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003323111207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12063706 + ... + 13621293.

It is an arithmetic number, because the mean of its divisors is an integer number (1257306435000).

Almost surely, 2^{20003323111206} is an apocalyptic number.

20003323111206 is an abundant number, since it is smaller than the sum of its proper divisors (20230482808794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003323111206 is a wasteful number, since it uses less digits than its factorization.

20003323111206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25685740.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20003323111206 its reverse (60211132330002), we get a palindrome (80214455441208).

The spelling of 20003323111206 in words is "twenty trillion, three billion, three hundred twenty-three million, one hundred eleven thousand, two hundred six".