20075489344 has 63 divisors (see below), whose sum is σ = 40493417997. Its totient is φ = 9875086848.

The previous prime is 20075489339. The next prime is 20075489353. The reversal of 20075489344 is 44398457002.

It is a happy number.

The square root of 20075489344 is 141688.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3854919744 + 16220569600 = 62088^2 + 127360^2 .

It is a super-3 number, since 3×20075489344³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20075489294 and 20075489303.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 100881757 + ... + 100881955.

Almost surely, 2^20075489344 is an apocalyptic number.

20075489344 is the 141688-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20075489344

20075489344 is an abundant number, since it is smaller than the sum of its proper divisors (20417928653).

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

20075489344 is an frugal number, since it uses more digits than its factorization.

20075489344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 20075489344 in words is "twenty billion, seventy-five million, four hundred eighty-nine thousand, three hundred forty-four".