20030120223030 has 192 divisors, whose sum is σ = 52565604751296. Its totient is φ = 5291661312000.

The previous prime is 20030120223023. The next prime is 20030120223079. The reversal of 20030120223030 is 3032202103002.

It is a happy number.

20030120223030 is a `hidden beast` number, since 20 + 0 + 301 + 20 + 22 + 303 + 0 = 666.

It is a super-2 number, since 2×20030120223030² (a number of 27 digits) contains 22 as substring.

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 = 20030120222994 and 20030120223012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9930648582 + ... + 9930650598.

It is an arithmetic number, because the mean of its divisors is an integer number (273779191413).

Almost surely, 2^{20030120223030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20030120223030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26282802375648).

20030120223030 is an abundant number, since it is smaller than the sum of its proper divisors (32535484528266).

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

20030120223030 is a wasteful number, since it uses less digits than its factorization.

20030120223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383 (or 4380 counting only the distinct ones).

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

Adding to 20030120223030 its reverse (3032202103002), we get a palindrome (23062322326032).

The spelling of 20030120223030 in words is "twenty trillion, thirty billion, one hundred twenty million, two hundred twenty-three thousand, thirty".