1020513300000 has 144 divisors (see below), whose sum is σ = 3348345942144. Its totient is φ = 272136800000.

The previous prime is 1020513299959. The next prime is 1020513300029. The reversal of 1020513300000 is 33150201.

It is a happy number.

1020513300000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1400856 + ... + 2000855.

It is an arithmetic number, because the mean of its divisors is an integer number (23252402376).

Almost surely, 2^{1020513300000} is an apocalyptic number.

1020513300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020513300000 is an abundant number, since it is smaller than the sum of its proper divisors (2327832642144).

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

1020513300000 is an frugal number, since it uses more digits than its factorization.

1020513300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401749 (or 3401721 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 1020513300000 its reverse (33150201), we get a palindrome (1020546450201).

The spelling of 1020513300000 in words is "one trillion, twenty billion, five hundred thirteen million, three hundred thousand".