1135331020 has 24 divisors (see below), whose sum is σ = 2429182224. Its totient is φ = 445563456.

The previous prime is 1135330957. The next prime is 1135331033. The reversal of 1135331020 is 201335311.

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, 534474 + ... + 536593.

It is an arithmetic number, because the mean of its divisors is an integer number (101215926).

Almost surely, 2^1135331020 is an apocalyptic number.

1135331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135331020 is an abundant number, since it is smaller than the sum of its proper divisors (1293851204).

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

1135331020 is a wasteful number, since it uses less digits than its factorization.

1135331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071129 (or 1071127 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1135331020 is about 33694.6734662914. The cubic root of 1135331020 is about 1043.2158287393.

Adding to 1135331020 its reverse (201335311), we get a palindrome (1336666331).

The spelling of 1135331020 in words is "one billion, one hundred thirty-five million, three hundred thirty-one thousand, twenty".