20033013303030 has 128 divisors (see below), whose sum is σ = 59185780835328. Its totient is φ = 4225935555072.

The previous prime is 20033013302987. The next prime is 20033013303041. The reversal of 20033013303030 is 3030331033002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20033013302988 and 20033013303006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13596409 + ... + 14997611.

It is an arithmetic number, because the mean of its divisors is an integer number (462388912776).

Almost surely, 2^{20033013303030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20033013303030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29592890417664).

20033013303030 is an abundant number, since it is smaller than the sum of its proper divisors (39152767532298).

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

20033013303030 is a wasteful number, since it uses less digits than its factorization.

20033013303030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406470.

The product of its (nonzero) digits is 1458, while the sum is 21.

Adding to 20033013303030 its reverse (3030331033002), we get a palindrome (23063344336032).

The spelling of 20033013303030 in words is "twenty trillion, thirty-three billion, thirteen million, three hundred three thousand, thirty".