1030020021030 has 256 divisors, whose sum is σ = 3351985846272. Its totient is φ = 195609600000.

The previous prime is 1030020021013. The next prime is 1030020021061. The reversal of 1030020021030 is 301200200301.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1030020020997 and 1030020021015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2863230 + ... + 3202830.

It is an arithmetic number, because the mean of its divisors is an integer number (13093694712).

Almost surely, 2^{1030020021030} is an apocalyptic number.

1030020021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030020021030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675992923136).

1030020021030 is an abundant number, since it is smaller than the sum of its proper divisors (2321965825242).

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

1030020021030 is a wasteful number, since it uses less digits than its factorization.

1030020021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339743.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1030020021030 its reverse (301200200301), we get a palindrome (1331220221331).

The spelling of 1030020021030 in words is "one trillion, thirty billion, twenty million, twenty-one thousand, thirty".