20210113211310 has 256 divisors, whose sum is σ = 59536209945600. Its totient is φ = 4897996335360.

The previous prime is 20210113211293. The next prime is 20210113211341. The reversal of 20210113211310 is 1311231101202.

20210113211310 is a `hidden beast` number, since 2 + 0 + 21 + 0 + 11 + 321 + 1 + 310 = 666.

It is a super-2 number, since 2×20210113211310² (a number of 27 digits) contains 22 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 127 ways as a sum of consecutive naturals, for example, 995709082 + ... + 995729378.

It is an arithmetic number, because the mean of its divisors is an integer number (232563320100).

Almost surely, 2^{20210113211310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210113211310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29768104972800).

20210113211310 is an abundant number, since it is smaller than the sum of its proper divisors (39326096734290).

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

20210113211310 is a wasteful number, since it uses less digits than its factorization.

20210113211310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24475 (or 24457 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20210113211310 its reverse (1311231101202), we get a palindrome (21521344312512).

The spelling of 20210113211310 in words is "twenty trillion, two hundred ten billion, one hundred thirteen million, two hundred eleven thousand, three hundred ten".