210230340420 has 48 divisors (see below), whose sum is σ = 588693869568. Its totient is φ = 56056765440.

The previous prime is 210230340391. The next prime is 210230340427. The reversal of 210230340420 is 24043032012.

It is not an unprimeable number, because it can be changed into a prime (210230340427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615325 + ... + 893915.

It is an arithmetic number, because the mean of its divisors is an integer number (12264455616).

Almost surely, 2^210230340420 is an apocalyptic number.

210230340420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210230340420 is an abundant number, since it is smaller than the sum of its proper divisors (378463529148).

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

210230340420 is a wasteful number, since it uses less digits than its factorization.

210230340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291180 (or 291178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 210230340420 its reverse (24043032012), we get a palindrome (234273372432).

The spelling of 210230340420 in words is "two hundred ten billion, two hundred thirty million, three hundred forty thousand, four hundred twenty".