20052453144000 has 224 divisors, whose sum is σ = 66390745202496. Its totient is φ = 5332982476800.

The previous prime is 20052453143971. The next prime is 20052453144001. The reversal of 20052453144000 is 44135425002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052453144001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7832002 + ... + 10071998.

Almost surely, 2^{20052453144000} is an apocalyptic number.

20052453144000 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 20052453144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33195372601248).

20052453144000 is an abundant number, since it is smaller than the sum of its proper divisors (46338292058496).

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

20052453144000 is a wasteful number, since it uses less digits than its factorization.

20052453144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240400 (or 2240380 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20052453144000 its reverse (44135425002), we get a palindrome (20096588569002).

The spelling of 20052453144000 in words is "twenty trillion, fifty-two billion, four hundred fifty-three million, one hundred forty-four thousand".