20130102030 has 64 divisors (see below), whose sum is σ = 50716108800. Its totient is φ = 5106802560.

The previous prime is 20130101993. The next prime is 20130102049. The reversal of 20130102030 is 3020103102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20130101997 and 20130102015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128565 + ... + 238304.

It is an arithmetic number, because the mean of its divisors is an integer number (792439200).

Almost surely, 2^20130102030 is an apocalyptic number.

20130102030 is an abundant number, since it is smaller than the sum of its proper divisors (30586006770).

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

20130102030 is a wasteful number, since it uses less digits than its factorization.

20130102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366969.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20130102030 its reverse (3020103102), we get a palindrome (23150205132).

The spelling of 20130102030 in words is "twenty billion, one hundred thirty million, one hundred two thousand, thirty".