20303120130 has 64 divisors (see below), whose sum is σ = 51434697600. Its totient is φ = 5129157312.

The previous prime is 20303120087. The next prime is 20303120147. The reversal of 20303120130 is 3102130302.

It is a super-2 number, since 2×20303120130² (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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156436 + ... + 255104.

It is an arithmetic number, because the mean of its divisors is an integer number (803667150).

Almost surely, 2^20303120130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20303120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25717348800).

20303120130 is an abundant number, since it is smaller than the sum of its proper divisors (31131577470).

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

20303120130 is an equidigital number, since it uses as much as digits as its factorization.

20303120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98736 (or 98698 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20303120130 its reverse (3102130302), we get a palindrome (23405250432).

The spelling of 20303120130 in words is "twenty billion, three hundred three million, one hundred twenty thousand, one hundred thirty".