20123333331200 has 108 divisors (see below), whose sum is σ = 54336430297968. Its totient is φ = 7317575731200.

The previous prime is 20123333331133. The next prime is 20123333331217. The reversal of 20123333331200 is 213333332102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20123333331200.

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, 142851002 + ... + 142991801.

Almost surely, 2^{20123333331200} is an apocalyptic number.

20123333331200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123333331200 is an abundant number, since it is smaller than the sum of its proper divisors (34213096966768).

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

20123333331200 is a wasteful number, since it uses less digits than its factorization.

20123333331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285842840 (or 285842821 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20123333331200 its reverse (213333332102), we get a palindrome (20336666663302).

The spelling of 20123333331200 in words is "twenty trillion, one hundred twenty-three billion, three hundred thirty-three million, three hundred thirty-one thousand, two hundred".