1030030000020 has 192 divisors, whose sum is σ = 3662800565760. Its totient is φ = 235405108224.

The previous prime is 1030029999913. The next prime is 1030030000037. The reversal of 1030030000020 is 200000300301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1030029999957 and 1030030000011.

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, 43824912 + ... + 43848408.

It is an arithmetic number, because the mean of its divisors is an integer number (19077086280).

Almost surely, 2^{1030030000020} is an apocalyptic number.

1030030000020 is a gapful number since it is divisible by the number (10) 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 1030030000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1831400282880).

1030030000020 is an abundant number, since it is smaller than the sum of its proper divisors (2632770565740).

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

1030030000020 is a wasteful number, since it uses less digits than its factorization.

1030030000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35119 (or 35111 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 1030030000020 its reverse (200000300301), we get a palindrome (1230030300321).

The spelling of 1030030000020 in words is "one trillion, thirty billion, thirty million, twenty", and thus it is an aban number and an uban number.