20330331131100 has 36 divisors (see below), whose sum is σ = 58822424740184. Its totient is φ = 5421421634880.

The previous prime is 20330331131093. The next prime is 20330331131119. The reversal of 20330331131100 is 113113303302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33883884919 + ... + 33883885518.

Almost surely, 2^{20330331131100} is an apocalyptic number.

20330331131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330331131100 is an abundant number, since it is smaller than the sum of its proper divisors (38492093609084).

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

20330331131100 is a wasteful number, since it uses less digits than its factorization.

20330331131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67767770454 (or 67767770447 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 20330331131100 its reverse (113113303302), we get a palindrome (20443444434402).

The spelling of 20330331131100 in words is "twenty trillion, three hundred thirty billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred".