20430404310 has 16 divisors (see below), whose sum is σ = 49032970416. Its totient is φ = 5448107808.

The previous prime is 20430404299. The next prime is 20430404333. The reversal of 20430404310 is 1340403402.

20430404310 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20430404310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340506709 + ... + 340506768.

It is an arithmetic number, because the mean of its divisors is an integer number (3064560651).

Almost surely, 2^20430404310 is an apocalyptic number.

20430404310 is an abundant number, since it is smaller than the sum of its proper divisors (28602566106).

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

20430404310 is a wasteful number, since it uses less digits than its factorization.

20430404310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681013487.

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

Adding to 20430404310 its reverse (1340403402), we get a palindrome (21770807712).

The spelling of 20430404310 in words is "twenty billion, four hundred thirty million, four hundred four thousand, three hundred ten".