20303020320030 has 288 divisors, whose sum is σ = 61750754642304. Its totient is φ = 4614726961152.

The previous prime is 20303020320013. The next prime is 20303020320127. The reversal of 20303020320030 is 3002302030302.

20303020320030 is a `hidden beast` number, since 20 + 303 + 0 + 20 + 320 + 0 + 3 + 0 = 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 = 20303020319985 and 20303020320012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 598239222 + ... + 598273158.

It is an arithmetic number, because the mean of its divisors is an integer number (214412342508).

Almost surely, 2^{20303020320030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20303020320030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30875377321152).

20303020320030 is an abundant number, since it is smaller than the sum of its proper divisors (41447734322274).

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

20303020320030 is a wasteful number, since it uses less digits than its factorization.

20303020320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34720 (or 34710 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20303020320030 its reverse (3002302030302), we get a palindrome (23305322350332).

The spelling of 20303020320030 in words is "twenty trillion, three hundred three billion, twenty million, three hundred twenty thousand, thirty".