1015304040220 has 24 divisors (see below), whose sum is σ = 2132403585984. Its totient is φ = 406071120576.

The previous prime is 1015304040209. The next prime is 1015304040293. The reversal of 1015304040220 is 220404035101.

It is a junction number, because it is equal to n+sod(n) for n = 1015304040191 and 1015304040200.

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, 2990884 + ... + 3313003.

It is an arithmetic number, because the mean of its divisors is an integer number (88850149416).

Almost surely, 2^{1015304040220} is an apocalyptic number.

1015304040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015304040220 is an abundant number, since it is smaller than the sum of its proper divisors (1117099545764).

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

1015304040220 is a wasteful number, since it uses less digits than its factorization.

1015304040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311949 (or 6311947 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 1015304040220 its reverse (220404035101), we get a palindrome (1235708075321).

The spelling of 1015304040220 in words is "one trillion, fifteen billion, three hundred four million, forty thousand, two hundred twenty".