20363330000 has 100 divisors (see below), whose sum is σ = 53094432468. Its totient is φ = 7518720000.

The previous prime is 20363329993. The next prime is 20363330017. The reversal of 20363330000 is 3336302.

It can be written as a sum of positive squares in 10 ways, for example, as 20119720336 + 243609664 = 141844^2 + 15608^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51680 + ... + 208320.

Almost surely, 2^20363330000 is an apocalyptic number.

20363330000 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 20363330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26547216234).

20363330000 is an abundant number, since it is smaller than the sum of its proper divisors (32731102468).

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

20363330000 is a wasteful number, since it uses less digits than its factorization.

20363330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156682 (or 156661 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20363330000 its reverse (3336302), we get a palindrome (20366666302).

The spelling of 20363330000 in words is "twenty billion, three hundred sixty-three million, three hundred thirty thousand".