20334042020 has 48 divisors (see below), whose sum is σ = 43451493120. Its totient is φ = 7990926336.

The previous prime is 20334042013. The next prime is 20334042037. The reversal of 20334042020 is 2024043302.

It is a super-2 number, since 2×20334042020² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 20334041983 and 20334042001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2430164 + ... + 2438516.

It is an arithmetic number, because the mean of its divisors is an integer number (905239440).

Almost surely, 2^20334042020 is an apocalyptic number.

20334042020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334042020 is an abundant number, since it is smaller than the sum of its proper divisors (23117451100).

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

20334042020 is a wasteful number, since it uses less digits than its factorization.

20334042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10484 (or 10482 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20334042020 its reverse (2024043302), we get a palindrome (22358085322).

The spelling of 20334042020 in words is "twenty billion, three hundred thirty-four million, forty-two thousand, twenty".