20033320020 has 96 divisors (see below), whose sum is σ = 64313174016. Its totient is φ = 4564291200.

The previous prime is 20033320007. The next prime is 20033320033. The reversal of 20033320020 is 2002333002.

It is an interprime number because it is at equal distance from previous prime (20033320007) and next prime (20033320033).

It is a super-2 number, since 2×20033320020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 53935 + ... + 207305.

It is an arithmetic number, because the mean of its divisors is an integer number (669928896).

Almost surely, 2^20033320020 is an apocalyptic number.

20033320020 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 20033320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32156587008).

20033320020 is an abundant number, since it is smaller than the sum of its proper divisors (44279853996).

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

20033320020 is a wasteful number, since it uses less digits than its factorization.

20033320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153701 (or 153699 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20033320020 its reverse (2002333002), we get a palindrome (22035653022).

The spelling of 20033320020 in words is "twenty billion, thirty-three million, three hundred twenty thousand, twenty".