21020232021300 has 360 divisors, whose sum is σ = 68871220362560. Its totient is φ = 5545233561600.

The previous prime is 21020232021293. The next prime is 21020232021361. The reversal of 21020232021300 is 312023202012.

21020232021300 is a `hidden beast` number, since 2 + 1 + 0 + 20 + 2 + 320 + 21 + 300 = 666.

It is a super-3 number, since 3×21020232021300³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2570020611 + ... + 2570028789.

Almost surely, 2^{21020232021300} is an apocalyptic number.

21020232021300 is a gapful number since it is divisible by the number (20) 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 21020232021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34435610181280).

21020232021300 is an abundant number, since it is smaller than the sum of its proper divisors (47850988341260).

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

21020232021300 is a wasteful number, since it uses less digits than its factorization.

21020232021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11573 (or 11557 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21020232021300 its reverse (312023202012), we get a palindrome (21332255223312).

The spelling of 21020232021300 in words is "twenty-one trillion, twenty billion, two hundred thirty-two million, twenty-one thousand, three hundred".