20123201313000 has 96 divisors (see below), whose sum is σ = 68016420468360. Its totient is φ = 5366187014400.

The previous prime is 20123201312917. The next prime is 20123201313013. The reversal of 20123201313000 is 31310232102.

20123201313000 is a `hidden beast` number, since 2 + 0 + 1 + 232 + 0 + 131 + 300 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2736953331876 + 17386247981124 = 1654374^2 + 4169682^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117946629 + ... + 1117964628.

Almost surely, 2^{20123201313000} is an apocalyptic number.

20123201313000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123201313000 is an abundant number, since it is smaller than the sum of its proper divisors (47893219155360).

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

20123201313000 is a wasteful number, since it uses less digits than its factorization.

20123201313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235911284 (or 2235911267 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20123201313000 its reverse (31310232102), we get a palindrome (20154511545102).

The spelling of 20123201313000 in words is "twenty trillion, one hundred twenty-three billion, two hundred one million, three hundred thirteen thousand".