20202233320 has 16 divisors (see below), whose sum is σ = 45455025060. Its totient is φ = 8080893312.

The previous prime is 20202233299. The next prime is 20202233321. The reversal of 20202233320 is 2333220202.

It can be written as a sum of positive squares in 2 ways, for example, as 16501457764 + 3700775556 = 128458^2 + 60834^2 .

It is a super-2 number, since 2×20202233320² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202233321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252527877 + ... + 252527956.

Almost surely, 2^20202233320 is an apocalyptic number.

20202233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202233320 is an abundant number, since it is smaller than the sum of its proper divisors (25252791740).

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

20202233320 is a wasteful number, since it uses less digits than its factorization.

20202233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505055844 (or 505055840 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20202233320 its reverse (2333220202), we get a palindrome (22535453522).

The spelling of 20202233320 in words is "twenty billion, two hundred two million, two hundred thirty-three thousand, three hundred twenty".