20202986252544 has 288 divisors, whose sum is σ = 57397791096576. Its totient is φ = 6286501478400.

The previous prime is 20202986252521. The next prime is 20202986252573. The reversal of 20202986252544 is 44525268920202.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1334668144 + ... + 1334683280.

It is an arithmetic number, because the mean of its divisors is an integer number (199297885752).

Almost surely, 2^{20202986252544} is an apocalyptic number.

20202986252544 is a gapful number since it is divisible by the number (24) 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 20202986252544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28698895548288).

20202986252544 is an abundant number, since it is smaller than the sum of its proper divisors (37194804844032).

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

20202986252544 is a wasteful number, since it uses less digits than its factorization.

20202986252544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16001 (or 15987 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 20202986252544 in words is "twenty trillion, two hundred two billion, nine hundred eighty-six million, two hundred fifty-two thousand, five hundred forty-four".