20003312111310 has 160 divisors (see below), whose sum is σ = 58812533581824. Its totient is φ = 4838035608000.

The previous prime is 20003312111231. The next prime is 20003312111323. The reversal of 20003312111310 is 1311121330002.

20003312111310 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 331 + 21 + 1 + 1 + 310 = 666.

It is a super-2 number, since 2×20003312111310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1235755 + ... + 6444665.

Almost surely, 2^{20003312111310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003312111310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29406266790912).

20003312111310 is an abundant number, since it is smaller than the sum of its proper divisors (38809221470514).

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

20003312111310 is a wasteful number, since it uses less digits than its factorization.

20003312111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209372 (or 5209363 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20003312111310 its reverse (1311121330002), we get a palindrome (21314433441312).

The spelling of 20003312111310 in words is "twenty trillion, three billion, three hundred twelve million, one hundred eleven thousand, three hundred ten".