20334002020 has 12 divisors (see below), whose sum is σ = 42701404284. Its totient is φ = 8133600800.

The previous prime is 20334002009. The next prime is 20334002023. The reversal of 20334002020 is 2020043302.

It can be written as a sum of positive squares in 2 ways, for example, as 15817086756 + 4516915264 = 125766^2 + 67208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20334001985 and 20334002003.

It is not an unprimeable number, because it can be changed into a prime (20334002023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508350031 + ... + 508350070.

It is an arithmetic number, because the mean of its divisors is an integer number (3558450357).

Almost surely, 2^20334002020 is an apocalyptic number.

20334002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334002020 is an abundant number, since it is smaller than the sum of its proper divisors (22367402264).

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

20334002020 is a wasteful number, since it uses less digits than its factorization.

20334002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016700110 (or 1016700108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20334002020 its reverse (2020043302), we get a palindrome (22354045322).

The spelling of 20334002020 in words is "twenty billion, three hundred thirty-four million, two thousand, twenty".