1023800315220 has 144 divisors (see below), whose sum is σ = 3207169405440. Its totient is φ = 264085920000.

The previous prime is 1023800315077. The next prime is 1023800315333. The reversal of 1023800315220 is 225130083201.

1023800315220 is a `hidden beast` number, since 10 + 23 + 80 + 0 + 31 + 522 + 0 = 666.

1023800315220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12519826 + ... + 12601334.

It is an arithmetic number, because the mean of its divisors is an integer number (22272009760).

Almost surely, 2^{1023800315220} is an apocalyptic number.

1023800315220 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 1023800315220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603584702720).

1023800315220 is an abundant number, since it is smaller than the sum of its proper divisors (2183369090220).

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

1023800315220 is a wasteful number, since it uses less digits than its factorization.

1023800315220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83806 (or 83801 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1023800315220 its reverse (225130083201), we get a palindrome (1248930398421).

The spelling of 1023800315220 in words is "one trillion, twenty-three billion, eight hundred million, three hundred fifteen thousand, two hundred twenty".