210320101420 has 96 divisors (see below), whose sum is σ = 519813262080. Its totient is φ = 70471023360.

The previous prime is 210320101417. The next prime is 210320101421. The reversal of 210320101420 is 24101023012.

It is a super-2 number, since 2×210320101420² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210320101394 and 210320101403.

It is not an unprimeable number, because it can be changed into a prime (210320101421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1544871 + ... + 1675489.

It is an arithmetic number, because the mean of its divisors is an integer number (5414721480).

Almost surely, 2^210320101420 is an apocalyptic number.

210320101420 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 210320101420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259906631040).

210320101420 is an abundant number, since it is smaller than the sum of its proper divisors (309493160660).

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

210320101420 is a wasteful number, since it uses less digits than its factorization.

210320101420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131215 (or 131213 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210320101420 its reverse (24101023012), we get a palindrome (234421124432).

The spelling of 210320101420 in words is "two hundred ten billion, three hundred twenty million, one hundred one thousand, four hundred twenty".