10020323553500 has 192 divisors, whose sum is σ = 24212537556480. Its totient is φ = 3598661606400.

The previous prime is 10020323553497. The next prime is 10020323553503. The reversal of 10020323553500 is 535532302001.

It is an interprime number because it is at equal distance from previous prime (10020323553497) and next prime (10020323553503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020323553503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1188787286 + ... + 1188795714.

It is an arithmetic number, because the mean of its divisors is an integer number (126106966440).

Almost surely, 2^{10020323553500} is an apocalyptic number.

10020323553500 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 10020323553500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12106268778240).

10020323553500 is an abundant number, since it is smaller than the sum of its proper divisors (14192214002980).

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

10020323553500 is a wasteful number, since it uses less digits than its factorization.

10020323553500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13441 (or 13429 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 10020323553500 its reverse (535532302001), we get a palindrome (10555855855501).

The spelling of 10020323553500 in words is "ten trillion, twenty billion, three hundred twenty-three million, five hundred fifty-three thousand, five hundred".