20053533330 has 96 divisors (see below), whose sum is σ = 52750217520. Its totient is φ = 5285191680.

The previous prime is 20053533233. The next prime is 20053533341. The reversal of 20053533330 is 3333535002.

It can be written as a sum of positive squares in 8 ways, for example, as 6657091281 + 13396442049 = 81591^2 + 115743^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20053533294 and 20053533303.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4245370 + ... + 4250090.

Almost surely, 2^20053533330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20053533330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26375108760).

20053533330 is an abundant number, since it is smaller than the sum of its proper divisors (32696684190).

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

20053533330 is a wasteful number, since it uses less digits than its factorization.

20053533330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276 (or 5273 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 27.

The spelling of 20053533330 in words is "twenty billion, fifty-three million, five hundred thirty-three thousand, three hundred thirty".