20130420310 has 96 divisors (see below), whose sum is σ = 49019697216. Its totient is φ = 5791737600.

The previous prime is 20130420269. The next prime is 20130420347. The reversal of 20130420310 is 1302403102.

It is a happy number.

It is a super-2 number, since 2×20130420310² (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 47 ways as a sum of consecutive naturals, for example, 18700 + ... + 201520.

It is an arithmetic number, because the mean of its divisors is an integer number (510621846).

Almost surely, 2^20130420310 is an apocalyptic number.

20130420310 is an abundant number, since it is smaller than the sum of its proper divisors (28889276906).

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

20130420310 is a wasteful number, since it uses less digits than its factorization.

20130420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182870 (or 182859 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20130420310 its reverse (1302403102), we get a palindrome (21432823412).

The spelling of 20130420310 in words is "twenty billion, one hundred thirty million, four hundred twenty thousand, three hundred ten".