20210113211300 has 144 divisors (see below), whose sum is σ = 46758511170000. Its totient is φ = 7555646177280.

The previous prime is 20210113211293. The next prime is 20210113211341. The reversal of 20210113211300 is 311231101202.

It can be written as a sum of positive squares in 24 ways, for example, as 15878694796864 + 4331418414436 = 3984808^2 + 2081206^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 1577799296 + ... + 1577812104.

It is an arithmetic number, because the mean of its divisors is an integer number (324711883125).

Almost surely, 2^{20210113211300} is an apocalyptic number.

20210113211300 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 20210113211300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23379255585000).

20210113211300 is an abundant number, since it is smaller than the sum of its proper divisors (26548397958700).

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

20210113211300 is a wasteful number, since it uses less digits than its factorization.

20210113211300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218 (or 19211 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20210113211300 its reverse (311231101202), we get a palindrome (20521344312502).

The spelling of 20210113211300 in words is "twenty trillion, two hundred ten billion, one hundred thirteen million, two hundred eleven thousand, three hundred".