20204712000000 has 1680 divisors, whose sum is σ = 80640779034816. Its totient is φ = 4829184000000.

The previous prime is 20204711999977. The next prime is 20204712000089. The reversal of 20204712000000 is 21740202.

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 167 ways as a sum of consecutive naturals, for example, 76823999869 + ... + 76824000131.

Almost surely, 2^{20204712000000} is an apocalyptic number.

20204712000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20204712000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40320389517408).

20204712000000 is an abundant number, since it is smaller than the sum of its proper divisors (60436067034816).

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

20204712000000 is an frugal number, since it uses more digits than its factorization.

20204712000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

Adding to 20204712000000 its reverse (21740202), we get a palindrome (20204733740202).

The spelling of 20204712000000 in words is "twenty trillion, two hundred four billion, seven hundred twelve million", and thus it is an aban number.