20430030210 has 32 divisors (see below), whose sum is σ = 49055784192. Its totient is φ = 5445373440.

The previous prime is 20430030169. The next prime is 20430030233. The reversal of 20430030210 is 1203003402.

It is a super-2 number, since 2×20430030210² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20430030210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101194 + ... + 226053.

It is an arithmetic number, because the mean of its divisors is an integer number (1532993256).

Almost surely, 2^20430030210 is an apocalyptic number.

20430030210 is an abundant number, since it is smaller than the sum of its proper divisors (28625753982).

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

20430030210 is a wasteful number, since it uses less digits than its factorization.

20430030210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329338.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20430030210 its reverse (1203003402), we get a palindrome (21633033612).

The spelling of 20430030210 in words is "twenty billion, four hundred thirty million, thirty thousand, two hundred ten".