130203066 has 64 divisors (see below), whose sum is σ = 308551680. Its totient is φ = 35857920.

The previous prime is 130203061. The next prime is 130203071. The reversal of 130203066 is 660302031.

It is an interprime number because it is at equal distance from previous prime (130203061) and next prime (130203071).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (130203061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139690 + ... + 140618.

It is an arithmetic number, because the mean of its divisors is an integer number (4821120).

Almost surely, 2^130203066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130203066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154275840).

130203066 is an abundant number, since it is smaller than the sum of its proper divisors (178348614).

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

130203066 is a wasteful number, since it uses less digits than its factorization.

130203066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 130203066 is about 11410.6558093740. The cubic root of 130203066 is about 506.8433316488.

Adding to 130203066 its reverse (660302031), we get a palindrome (790505097).

The spelling of 130203066 in words is "one hundred thirty million, two hundred three thousand, sixty-six".