130203104011220 has 24 divisors (see below), whose sum is σ = 273439501907208. Its totient is φ = 52078768560000.

The previous prime is 130203104011217. The next prime is 130203104011271. The reversal of 130203104011220 is 22110401302031.

It can be written as a sum of positive squares in 4 ways, for example, as 13949941141444 + 116253162869776 = 3734962^2 + 10782076^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 130203104011192 and 130203104011201.

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, 154133531 + ... + 154975970.

It is an arithmetic number, because the mean of its divisors is an integer number (11393312579467).

Almost surely, 2^{130203104011220} is an apocalyptic number.

130203104011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130203104011220 is an abundant number, since it is smaller than the sum of its proper divisors (143236397895988).

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

130203104011220 is a wasteful number, since it uses less digits than its factorization.

130203104011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309130571 (or 309130569 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 130203104011220 its reverse (22110401302031), we get a palindrome (152313505313251).

The spelling of 130203104011220 in words is "one hundred thirty trillion, two hundred three billion, one hundred four million, eleven thousand, two hundred twenty".