1020113310320 has 40 divisors (see below), whose sum is σ = 2554206791136. Its totient is φ = 376657221888.

The previous prime is 1020113310301. The next prime is 1020113310343. The reversal of 1020113310320 is 230133110201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490438052 + ... + 490440131.

Almost surely, 2^{1020113310320} is an apocalyptic number.

1020113310320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020113310320 is an abundant number, since it is smaller than the sum of its proper divisors (1534093480816).

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

1020113310320 is a wasteful number, since it uses less digits than its factorization.

1020113310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980878209 (or 980878203 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1020113310320 its reverse (230133110201), we get a palindrome (1250246420521).

The spelling of 1020113310320 in words is "one trillion, twenty billion, one hundred thirteen million, three hundred ten thousand, three hundred twenty".