1130202020 has 24 divisors (see below), whose sum is σ = 2383798200. Its totient is φ = 450104832.

The previous prime is 1130202013. The next prime is 1130202071. The reversal of 1130202020 is 202020311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 364351744 + 765850276 = 19088^2 + 27674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1130201992 and 1130202010.

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, 118805 + ... + 127964.

It is an arithmetic number, because the mean of its divisors is an integer number (99324925).

Almost surely, 2^1130202020 is an apocalyptic number.

1130202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130202020 is an abundant number, since it is smaller than the sum of its proper divisors (1253596180).

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

1130202020 is a wasteful number, since it uses less digits than its factorization.

1130202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247007 (or 247005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1130202020 is about 33618.4773599281. The cubic root of 1130202020 is about 1041.6425044280.

Adding to 1130202020 its reverse (202020311), we get a palindrome (1332222331).

The spelling of 1130202020 in words is "one billion, one hundred thirty million, two hundred two thousand, twenty".