20334031020 has 72 divisors (see below), whose sum is σ = 63964349904. Its totient is φ = 5422406976.

The previous prime is 20334031009. The next prime is 20334031117. The reversal of 20334031020 is 2013043302.

20334031020 is a `hidden beast` number, since 2 + 0 + 334 + 0 + 310 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20334030984 and 20334031002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2087119 + ... + 2096838.

Almost surely, 2^20334031020 is an apocalyptic number.

20334031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334031020 is an abundant number, since it is smaller than the sum of its proper divisors (43630318884).

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

20334031020 is a wasteful number, since it uses less digits than its factorization.

20334031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183981 (or 4183967 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20334031020 its reverse (2013043302), we get a palindrome (22347074322).

The spelling of 20334031020 in words is "twenty billion, three hundred thirty-four million, thirty-one thousand, twenty".