210420234020000 has 60 divisors (see below), whose sum is σ = 517665338773506. Its totient is φ = 84168093600000.

The previous prime is 210420234019999. The next prime is 210420234020033. The reversal of 210420234020000 is 20432024012.

It can be written as a sum of positive squares in 5 ways, for example, as 5114780281744 + 205305453738256 = 2261588^2 + 14328484^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5260485851 + ... + 5260525850.

Almost surely, 2^{210420234020000} is an apocalyptic number.

210420234020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210420234020000 is an abundant number, since it is smaller than the sum of its proper divisors (307245104753506).

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

210420234020000 is an equidigital number, since it uses as much as digits as its factorization.

210420234020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521011731 (or 10521011708 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 210420234020000 its reverse (20432024012), we get a palindrome (210440666044012).

The spelling of 210420234020000 in words is "two hundred ten trillion, four hundred twenty billion, two hundred thirty-four million, twenty thousand".